15051140412 has 192 divisors, whose sum is σ = 44461756416. Its totient is φ = 3849431040.

The previous prime is 15051140387. The next prime is 15051140441. The reversal of 15051140412 is 21404115051.

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, 27515523 + ... + 27516069.

It is an arithmetic number, because the mean of its divisors is an integer number (231571648).

Almost surely, 2^15051140412 is an apocalyptic number.

15051140412 is a gapful number since it is divisible by the number (12) 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 15051140412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22230878208).

15051140412 is an abundant number, since it is smaller than the sum of its proper divisors (29410616004).

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

15051140412 is a wasteful number, since it uses less digits than its factorization.

15051140412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 976 (or 974 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 24.

Adding to 15051140412 its reverse (21404115051), we get a palindrome (36455255463).

The spelling of 15051140412 in words is "fifteen billion, fifty-one million, one hundred forty thousand, four hundred twelve".