21152513150 has 12 divisors (see below), whose sum is σ = 39343674552. Its totient is φ = 8461005240.

The previous prime is 21152513141. The next prime is 21152513153. The reversal of 21152513150 is 5131525112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21152513153) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 211525082 + ... + 211525181.

It is an arithmetic number, because the mean of its divisors is an integer number (3278639546).

Almost surely, 2^21152513150 is an apocalyptic number.

21152513150 is a deficient number, since it is larger than the sum of its proper divisors (18191161402).

21152513150 is a wasteful number, since it uses less digits than its factorization.

21152513150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423050275 (or 423050270 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 26.

The spelling of 21152513150 in words is "twenty-one billion, one hundred fifty-two million, five hundred thirteen thousand, one hundred fifty".