115539949935511 has 32 divisors (see below), whose sum is σ = 118782454427136. Its totient is φ = 112340694960000.

The previous prime is 115539949935467. The next prime is 115539949935577.

115539949935511 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 115539949935511 - 2⁷ = 115539949935383 is a prime.

It is a super-2 number, since 2×115539949935511² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115539949135511) 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, 6344505196 + ... + 6344523406.

It is an arithmetic number, because the mean of its divisors is an integer number (3711951700848).

Almost surely, 2^{115539949935511} is an apocalyptic number.

115539949935511 is a deficient number, since it is larger than the sum of its proper divisors (3242504491625).

115539949935511 is a wasteful number, since it uses less digits than its factorization.

115539949935511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20263.

The product of its digits is 147622500, while the sum is 70.

The spelling of 115539949935511 in words is "one hundred fifteen trillion, five hundred thirty-nine billion, nine hundred forty-nine million, nine hundred thirty-five thousand, five hundred eleven".