2115115052511 has 16 divisors (see below), whose sum is σ = 2979146903040. Its totient is φ = 1331108170560.

The previous prime is 2115115052509. The next prime is 2115115052573. The reversal of 2115115052511 is 1152505115112.

It is not a de Polignac number, because 2115115052511 - 2¹ = 2115115052509 is a prime.

It is a super-2 number, since 2×2115115052511² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2115115053511) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66011175 + ... + 66043208.

It is an arithmetic number, because the mean of its divisors is an integer number (186196681440).

Almost surely, 2^{2115115052511} is an apocalyptic number.

2115115052511 is a deficient number, since it is larger than the sum of its proper divisors (864031850529).

2115115052511 is a wasteful number, since it uses less digits than its factorization.

2115115052511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132054686.

The product of its (nonzero) digits is 2500, while the sum is 30.

The spelling of 2115115052511 in words is "two trillion, one hundred fifteen billion, one hundred fifteen million, fifty-two thousand, five hundred eleven".