51177657659 has 2 divisors, whose sum is σ = 51177657660. Its totient is φ = 51177657658.

The previous prime is 51177657631. The next prime is 51177657691. The reversal of 51177657659 is 95675677115.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51177657659 - 2²⁰ = 51176609083 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 51177657598 and 51177657607.

It is not a weakly prime, because it can be changed into another prime (51177557659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25588828829 + 25588828830.

It is an arithmetic number, because the mean of its divisors is an integer number (25588828830).

Almost surely, 2^51177657659 is an apocalyptic number.

51177657659 is a deficient number, since it is larger than the sum of its proper divisors (1).

51177657659 is an equidigital number, since it uses as much as digits as its factorization.

51177657659 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13891500, while the sum is 59.

The spelling of 51177657659 in words is "fifty-one billion, one hundred seventy-seven million, six hundred fifty-seven thousand, six hundred fifty-nine".