51165456467 has 2 divisors, whose sum is σ = 51165456468. Its totient is φ = 51165456466.

The previous prime is 51165456373. The next prime is 51165456509. The reversal of 51165456467 is 76465456115.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51165456467 - 2¹⁰ = 51165455443 is a prime.

It is not a weakly prime, because it can be changed into another prime (51165453467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25582728233 + 25582728234.

It is an arithmetic number, because the mean of its divisors is an integer number (25582728234).

Almost surely, 2^51165456467 is an apocalyptic number.

51165456467 is a deficient number, since it is larger than the sum of its proper divisors (1).

51165456467 is an equidigital number, since it uses as much as digits as its factorization.

51165456467 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3024000, while the sum is 50.

The spelling of 51165456467 in words is "fifty-one billion, one hundred sixty-five million, four hundred fifty-six thousand, four hundred sixty-seven".