15115034232 has 96 divisors (see below), whose sum is σ = 42023432880. Its totient is φ = 4905331200.

The previous prime is 15115034227. The next prime is 15115034257. The reversal of 15115034232 is 23243051151.

15115034232 is a `hidden beast` number, since 151 + 1 + 503 + 4 + 2 + 3 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 15115034196 and 15115034205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 973732 + ... + 989132.

Almost surely, 2^15115034232 is an apocalyptic number.

15115034232 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 15115034232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21011716440).

15115034232 is an abundant number, since it is smaller than the sum of its proper divisors (26908398648).

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

15115034232 is a wasteful number, since it uses less digits than its factorization.

15115034232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15773 (or 15766 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

Adding to 15115034232 its reverse (23243051151), we get a palindrome (38358085383).

The spelling of 15115034232 in words is "fifteen billion, one hundred fifteen million, thirty-four thousand, two hundred thirty-two".