21076224894265 has 32 divisors (see below), whose sum is σ = 27405570378240. Its totient is φ = 15505781011200.

The previous prime is 21076224894259. The next prime is 21076224894359. The reversal of 21076224894265 is 56249842267012.

It is not a de Polignac number, because 21076224894265 - 2¹⁷ = 21076224763193 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5441046 + ... + 8470975.

It is an arithmetic number, because the mean of its divisors is an integer number (856424074320).

Almost surely, 2^{21076224894265} is an apocalyptic number.

It is an amenable number.

21076224894265 is a deficient number, since it is larger than the sum of its proper divisors (6329345483975).

21076224894265 is a wasteful number, since it uses less digits than its factorization.

21076224894265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13912513.

The product of its (nonzero) digits is 23224320, while the sum is 58.

The spelling of 21076224894265 in words is "twenty-one trillion, seventy-six billion, two hundred twenty-four million, eight hundred ninety-four thousand, two hundred sixty-five".