15040725122430 has 192 divisors, whose sum is σ = 46175208468480. Its totient is φ = 3324933764352.

The previous prime is 15040725122407. The next prime is 15040725122453. The reversal of 15040725122430 is 3422152704051.

15040725122430 is a `hidden beast` number, since 1 + 5 + 0 + 40 + 72 + 512 + 2 + 4 + 30 = 666.

It is an interprime number because it is at equal distance from previous prime (15040725122407) and next prime (15040725122453).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1960891 + ... + 5824649.

It is an arithmetic number, because the mean of its divisors is an integer number (240495877440).

Almost surely, 2^{15040725122430} is an apocalyptic number.

15040725122430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 15040725122430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23087604234240).

15040725122430 is an abundant number, since it is smaller than the sum of its proper divisors (31134483346050).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

15040725122430 is a wasteful number, since it uses less digits than its factorization.

15040725122430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3863983 (or 3863980 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 36.

Adding to 15040725122430 its reverse (3422152704051), we get a palindrome (18462877826481).

The spelling of 15040725122430 in words is "fifteen trillion, forty billion, seven hundred twenty-five million, one hundred twenty-two thousand, four hundred thirty".