51575220711 has 48 divisors (see below), whose sum is σ = 85755521280. Its totient is φ = 29258910720.

The previous prime is 51575220701. The next prime is 51575220737. The reversal of 51575220711 is 11702257515.

51575220711 is a `hidden beast` number, since 51 + 575 + 2 + 20 + 7 + 11 = 666.

51575220711 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 51575220711 - 2⁵ = 51575220679 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51575220701) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 12022855 + ... + 12027143.

It is an arithmetic number, because the mean of its divisors is an integer number (1786573360).

Almost surely, 2^51575220711 is an apocalyptic number.

51575220711 is a deficient number, since it is larger than the sum of its proper divisors (34180300569).

51575220711 is a wasteful number, since it uses less digits than its factorization.

51575220711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5636 (or 5633 counting only the distinct ones).

The product of its (nonzero) digits is 24500, while the sum is 36.

The spelling of 51575220711 in words is "fifty-one billion, five hundred seventy-five million, two hundred twenty thousand, seven hundred eleven".