21527576083 has 12 divisors (see below), whose sum is σ = 23459431728. Its totient is φ = 19745013600.

The previous prime is 21527576027. The next prime is 21527576101. The reversal of 21527576083 is 38067572512.

It is not a de Polignac number, because 21527576083 - 2²⁵ = 21494021651 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21527570083) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 379143 + ... + 432208.

It is an arithmetic number, because the mean of its divisors is an integer number (1954952644).

Almost surely, 2^21527576083 is an apocalyptic number.

21527576083 is a deficient number, since it is larger than the sum of its proper divisors (1931855645).

21527576083 is a wasteful number, since it uses less digits than its factorization.

21527576083 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 811534 (or 811521 counting only the distinct ones).

The product of its (nonzero) digits is 705600, while the sum is 46.

The spelling of 21527576083 in words is "twenty-one billion, five hundred twenty-seven million, five hundred seventy-six thousand, eighty-three".