21325275126 has 36 divisors (see below), whose sum is σ = 47208847452. Its totient is φ = 6957168984.

The previous prime is 21325275067. The next prime is 21325275151. The reversal of 21325275126 is 62157252312.

21325275126 is a `hidden beast` number, since 2 + 1 + 3 + 2 + 527 + 5 + 126 = 666.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 228400 + ... + 307923.

Almost surely, 2^21325275126 is an apocalyptic number.

21325275126 is an abundant number, since it is smaller than the sum of its proper divisors (25883572326).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21325275126 is a wasteful number, since it uses less digits than its factorization.

21325275126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 536425 (or 536375 counting only the distinct ones).

The product of its digits is 50400, while the sum is 36.

The spelling of 21325275126 in words is "twenty-one billion, three hundred twenty-five million, two hundred seventy-five thousand, one hundred twenty-six".