11406402561156 has 96 divisors (see below), whose sum is σ = 27548787087360. Its totient is φ = 3670822022400.

The previous prime is 11406402561091. The next prime is 11406402561193. The reversal of 11406402561156 is 65116520460411.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22891785 + ... + 23384751.

It is an arithmetic number, because the mean of its divisors is an integer number (286966532160).

Almost surely, 2^{11406402561156} is an apocalyptic number.

It is an amenable number.

11406402561156 is an abundant number, since it is smaller than the sum of its proper divisors (16142384526204).

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

11406402561156 is a wasteful number, since it uses less digits than its factorization.

11406402561156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 493505 (or 493503 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 42.

The spelling of 11406402561156 in words is "eleven trillion, four hundred six billion, four hundred two million, five hundred sixty-one thousand, one hundred fifty-six".