115515020352402 has 64 divisors (see below), whose sum is σ = 283872528328320. Its totient is φ = 34525037203200.

The previous prime is 115515020352323. The next prime is 115515020352439. The reversal of 115515020352402 is 204253020515511.

115515020352402 is a `hidden beast` number, since 1 + 1 + 55 + 150 + 2 + 0 + 3 + 52 + 402 = 666.

115515020352402 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1331941099 + ... + 1332027822.

It is an arithmetic number, because the mean of its divisors is an integer number (4435508255130).

Almost surely, 2^{115515020352402} is an apocalyptic number.

115515020352402 is an abundant number, since it is smaller than the sum of its proper divisors (168357507975918).

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

115515020352402 is a wasteful number, since it uses less digits than its factorization.

115515020352402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2663969016 (or 2663969010 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 36.

Adding to 115515020352402 its reverse (204253020515511), we get a palindrome (319768040867913).

The spelling of 115515020352402 in words is "one hundred fifteen trillion, five hundred fifteen billion, twenty million, three hundred fifty-two thousand, four hundred two".