115663515235 has 4 divisors (see below), whose sum is σ = 138796218288. Its totient is φ = 92530812184.

The previous prime is 115663515229. The next prime is 115663515263. The reversal of 115663515235 is 532515366511.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 115663515235 - 2⁹ = 115663514723 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 115663515191 and 115663515200.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11566351519 + ... + 11566351528.

It is an arithmetic number, because the mean of its divisors is an integer number (34699054572).

Almost surely, 2^115663515235 is an apocalyptic number.

115663515235 is a deficient number, since it is larger than the sum of its proper divisors (23132703053).

115663515235 is an equidigital number, since it uses as much as digits as its factorization.

115663515235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23132703052.

The product of its digits is 405000, while the sum is 43.

The spelling of 115663515235 in words is "one hundred fifteen billion, six hundred sixty-three million, five hundred fifteen thousand, two hundred thirty-five".