18077317051 has 2 divisors, whose sum is σ = 18077317052. Its totient is φ = 18077317050.

The previous prime is 18077317019. The next prime is 18077317073. The reversal of 18077317051 is 15071377081.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 18077317051 - 2⁵ = 18077317019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 18077316995 and 18077317013.

It is not a weakly prime, because it can be changed into another prime (18077317151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9038658525 + 9038658526.

It is an arithmetic number, because the mean of its divisors is an integer number (9038658526).

Almost surely, 2^18077317051 is an apocalyptic number.

18077317051 is a deficient number, since it is larger than the sum of its proper divisors (1).

18077317051 is an equidigital number, since it uses as much as digits as its factorization.

18077317051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 41160, while the sum is 40.

The spelling of 18077317051 in words is "eighteen billion, seventy-seven million, three hundred seventeen thousand, fifty-one".