11687140452954 has 32 divisors (see below), whose sum is σ = 23825943106560. Its totient is φ = 3820502117952.

The previous prime is 11687140452919. The next prime is 11687140453069. The reversal of 11687140452954 is 45925404178611.

It is a super-2 number, since 2×11687140452954² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11687140452894 and 11687140452903.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7495237 + ... + 8919240.

It is an arithmetic number, because the mean of its divisors is an integer number (744560722080).

Almost surely, 2^{11687140452954} is an apocalyptic number.

11687140452954 is an abundant number, since it is smaller than the sum of its proper divisors (12138802653606).

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

11687140452954 is a wasteful number, since it uses less digits than its factorization.

11687140452954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16416774.

The product of its (nonzero) digits is 9676800, while the sum is 57.

The spelling of 11687140452954 in words is "eleven trillion, six hundred eighty-seven billion, one hundred forty million, four hundred fifty-two thousand, nine hundred fifty-four".