115511435403232 has 192 divisors, whose sum is σ = 255107549571840. Its totient is φ = 51038088192000.

The previous prime is 115511435403209. The next prime is 115511435403239. The reversal of 115511435403232 is 232304534115511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115511435403239) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6010263319 + ... + 6010282537.

It is an arithmetic number, because the mean of its divisors is an integer number (1328685154020).

Almost surely, 2^{115511435403232} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 115511435403232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (127553774785920).

115511435403232 is an abundant number, since it is smaller than the sum of its proper divisors (139596114168608).

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

115511435403232 is a wasteful number, since it uses less digits than its factorization.

115511435403232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22257 (or 22249 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 40.

Adding to 115511435403232 its reverse (232304534115511), we get a palindrome (347815969518743).

The spelling of 115511435403232 in words is "one hundred fifteen trillion, five hundred eleven billion, four hundred thirty-five million, four hundred three thousand, two hundred thirty-two".