15125401500 has 192 divisors, whose sum is σ = 50876646912. Its totient is φ = 3451008000.

The previous prime is 15125401481. The next prime is 15125401523. The reversal of 15125401500 is 510452151.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 253539 + ... + 307461.

It is an arithmetic number, because the mean of its divisors is an integer number (264982536).

Almost surely, 2^15125401500 is an apocalyptic number.

15125401500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15125401500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25438323456).

15125401500 is an abundant number, since it is smaller than the sum of its proper divisors (35751245412).

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

15125401500 is a wasteful number, since it uses less digits than its factorization.

15125401500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53973 (or 53961 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 24.

Adding to 15125401500 its reverse (510452151), we get a palindrome (15635853651).

The spelling of 15125401500 in words is "fifteen billion, one hundred twenty-five million, four hundred one thousand, five hundred".