11514978963 has 12 divisors (see below), whose sum is σ = 16651016928. Its totient is φ = 7668220560.

The previous prime is 11514978953. The next prime is 11514979001. The reversal of 11514978963 is 36987941511.

11514978963 is a `hidden beast` number, since 1 + 15 + 1 + 497 + 89 + 63 = 666.

It is not a de Polignac number, because 11514978963 - 2¹⁸ = 11514716819 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11514978953) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 694020 + ... + 710417.

It is an arithmetic number, because the mean of its divisors is an integer number (1387584744).

Almost surely, 2^11514978963 is an apocalyptic number.

11514978963 is a deficient number, since it is larger than the sum of its proper divisors (5136037965).

11514978963 is a wasteful number, since it uses less digits than its factorization.

11514978963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1405354 (or 1405351 counting only the distinct ones).

The product of its digits is 1632960, while the sum is 54.

The spelling of 11514978963 in words is "eleven billion, five hundred fourteen million, nine hundred seventy-eight thousand, nine hundred sixty-three".