51156351443963 has 2 divisors, whose sum is σ = 51156351443964. Its totient is φ = 51156351443962.

The previous prime is 51156351443941. The next prime is 51156351444013. The reversal of 51156351443963 is 36934415365115.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51156351443963 - 2²⁰ = 51156350395387 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 51156351443899 and 51156351443908.

It is not a weakly prime, because it can be changed into another prime (51156351493963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25578175721981 + 25578175721982.

It is an arithmetic number, because the mean of its divisors is an integer number (25578175721982).

Almost surely, 2^{51156351443963} is an apocalyptic number.

51156351443963 is a deficient number, since it is larger than the sum of its proper divisors (1).

51156351443963 is an equidigital number, since it uses as much as digits as its factorization.

51156351443963 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17496000, while the sum is 56.

The spelling of 51156351443963 in words is "fifty-one trillion, one hundred fifty-six billion, three hundred fifty-one million, four hundred forty-three thousand, nine hundred sixty-three".