21525110150 has 36 divisors (see below), whose sum is σ = 42530369028. Its totient is φ = 8103565440.

The previous prime is 21525110147. The next prime is 21525110153. The reversal of 21525110150 is 5101152512.

It is an interprime number because it is at equal distance from previous prime (21525110147) and next prime (21525110153).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21525110153) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 730364 + ... + 759263.

Almost surely, 2^21525110150 is an apocalyptic number.

21525110150 is a deficient number, since it is larger than the sum of its proper divisors (21005258878).

21525110150 is a wasteful number, since it uses less digits than its factorization.

21525110150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1489673 (or 1489651 counting only the distinct ones).

The product of its (nonzero) digits is 500, while the sum is 23.

Adding to 21525110150 its reverse (5101152512), we get a palindrome (26626262662).

The spelling of 21525110150 in words is "twenty-one billion, five hundred twenty-five million, one hundred ten thousand, one hundred fifty".