51206263644632 has 16 divisors (see below), whose sum is σ = 96012758100600. Its totient is φ = 25602861484480.

The previous prime is 51206263644623. The next prime is 51206263644671. The reversal of 51206263644632 is 23644636260215.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32986082 + ... + 34503537.

Almost surely, 2^{51206263644632} is an apocalyptic number.

It is an amenable number.

51206263644632 is a deficient number, since it is larger than the sum of its proper divisors (44806494455968).

51206263644632 is a wasteful number, since it uses less digits than its factorization.

51206263644632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67584466 (or 67584462 counting only the distinct ones).

The product of its (nonzero) digits is 7464960, while the sum is 50.

The spelling of 51206263644632 in words is "fifty-one trillion, two hundred six billion, two hundred sixty-three million, six hundred forty-four thousand, six hundred thirty-two".