21132525350 has 48 divisors (see below), whose sum is σ = 41228423712. Its totient is φ = 8043509760.

The previous prime is 21132525341. The next prime is 21132525391. The reversal of 21132525350 is 5352523112.

21132525350 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 174344 + ... + 269556.

It is an arithmetic number, because the mean of its divisors is an integer number (858925494).

Almost surely, 2^21132525350 is an apocalyptic number.

21132525350 is a deficient number, since it is larger than the sum of its proper divisors (20095898362).

21132525350 is a wasteful number, since it uses less digits than its factorization.

21132525350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95441 (or 95436 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 29.

The spelling of 21132525350 in words is "twenty-one billion, one hundred thirty-two million, five hundred twenty-five thousand, three hundred fifty".