315946800551 has 2 divisors, whose sum is σ = 315946800552. Its totient is φ = 315946800550.

The previous prime is 315946800523. The next prime is 315946800577. The reversal of 315946800551 is 155008649513.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-315946800551 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 315946800496 and 315946800505.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (315946700551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157973400275 + 157973400276.

It is an arithmetic number, because the mean of its divisors is an integer number (157973400276).

Almost surely, 2^315946800551 is an apocalyptic number.

315946800551 is a deficient number, since it is larger than the sum of its proper divisors (1).

315946800551 is an equidigital number, since it uses as much as digits as its factorization.

315946800551 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648000, while the sum is 47.

The spelling of 315946800551 in words is "three hundred fifteen billion, nine hundred forty-six million, eight hundred thousand, five hundred fifty-one".