318625304551 has 2 divisors, whose sum is σ = 318625304552. Its totient is φ = 318625304550.

The previous prime is 318625304471. The next prime is 318625304567. The reversal of 318625304551 is 155403526813.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-318625304551 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 318625304498 and 318625304507.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (318625304651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 159312652275 + 159312652276.

It is an arithmetic number, because the mean of its divisors is an integer number (159312652276).

Almost surely, 2^318625304551 is an apocalyptic number.

318625304551 is a deficient number, since it is larger than the sum of its proper divisors (1).

318625304551 is an equidigital number, since it uses as much as digits as its factorization.

318625304551 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432000, while the sum is 43.

The spelling of 318625304551 in words is "three hundred eighteen billion, six hundred twenty-five million, three hundred four thousand, five hundred fifty-one".