21176114051051 has 16 divisors (see below), whose sum is σ = 21864963306816. Its totient is φ = 20495832000000.

The previous prime is 21176114051033. The next prime is 21176114051143. The reversal of 21176114051051 is 15015041167112.

It is a cyclic number.

It is not a de Polignac number, because 21176114051051 - 2²² = 21176109856747 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21176114053051) 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, 2464001 + ... + 6958701.

It is an arithmetic number, because the mean of its divisors is an integer number (1366560206676).

Almost surely, 2^{21176114051051} is an apocalyptic number.

21176114051051 is a deficient number, since it is larger than the sum of its proper divisors (688849255765).

21176114051051 is a wasteful number, since it uses less digits than its factorization.

21176114051051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4495654.

The product of its (nonzero) digits is 8400, while the sum is 35.

The spelling of 21176114051051 in words is "twenty-one trillion, one hundred seventy-six billion, one hundred fourteen million, fifty-one thousand, fifty-one".