21132325151 has 32 divisors (see below), whose sum is σ = 25090944000. Its totient is φ = 17420852736.

The previous prime is 21132325139. The next prime is 21132325157. The reversal of 21132325151 is 15152323112.

It is not a de Polignac number, because 21132325151 - 2¹⁰ = 21132324127 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 21132325151.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21132325157) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14603510 + ... + 14604956.

It is an arithmetic number, because the mean of its divisors is an integer number (784092000).

Almost surely, 2^21132325151 is an apocalyptic number.

21132325151 is a deficient number, since it is larger than the sum of its proper divisors (3958618849).

21132325151 is a wasteful number, since it uses less digits than its factorization.

21132325151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2103.

The product of its digits is 1800, while the sum is 26.

Adding to 21132325151 its reverse (15152323112), we get a palindrome (36284648263).

The spelling of 21132325151 in words is "twenty-one billion, one hundred thirty-two million, three hundred twenty-five thousand, one hundred fifty-one".