51156344353052 has 12 divisors (see below), whose sum is σ = 90093816648360. Its totient is φ = 25415253882096.

The previous prime is 51156344353039. The next prime is 51156344353057. The reversal of 51156344353052 is 25035344365115.

It is a junction number, because it is equal to n+sod(n) for n = 51156344352988 and 51156344353006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51156344353057) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40729572902 + ... + 40729574157.

It is an arithmetic number, because the mean of its divisors is an integer number (7507818054030).

Almost surely, 2^{51156344353052} is an apocalyptic number.

It is an amenable number.

51156344353052 is a deficient number, since it is larger than the sum of its proper divisors (38937472295308).

51156344353052 is a wasteful number, since it uses less digits than its factorization.

51156344353052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81459147220 (or 81459147218 counting only the distinct ones).

The product of its (nonzero) digits is 3240000, while the sum is 47.

The spelling of 51156344353052 in words is "fifty-one trillion, one hundred fifty-six billion, three hundred forty-four million, three hundred fifty-three thousand, fifty-two".