51496784367911 has 2 divisors, whose sum is σ = 51496784367912. Its totient is φ = 51496784367910.

The previous prime is 51496784367863. The next prime is 51496784368039. The reversal of 51496784367911 is 11976348769415.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51496784367911 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51496784363911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25748392183955 + 25748392183956.

It is an arithmetic number, because the mean of its divisors is an integer number (25748392183956).

Almost surely, 2^{51496784367911} is an apocalyptic number.

51496784367911 is a deficient number, since it is larger than the sum of its proper divisors (1).

51496784367911 is an equidigital number, since it uses as much as digits as its factorization.

51496784367911 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 274337280, while the sum is 71.

The spelling of 51496784367911 in words is "fifty-one trillion, four hundred ninety-six billion, seven hundred eighty-four million, three hundred sixty-seven thousand, nine hundred eleven".