21233676255 has 32 divisors (see below), whose sum is σ = 37119886848. Its totient is φ = 10279152000.

The previous prime is 21233676193. The next prime is 21233676283. The reversal of 21233676255 is 55267633212.

It is not a de Polignac number, because 21233676255 - 2¹¹ = 21233674207 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7305 + ... + 206205.

It is an arithmetic number, because the mean of its divisors is an integer number (1159996464).

Almost surely, 2^21233676255 is an apocalyptic number.

21233676255 is a deficient number, since it is larger than the sum of its proper divisors (15886210593).

21233676255 is a wasteful number, since it uses less digits than its factorization.

21233676255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199567.

The product of its digits is 453600, while the sum is 42.

The spelling of 21233676255 in words is "twenty-one billion, two hundred thirty-three million, six hundred seventy-six thousand, two hundred fifty-five".