315105423551 has 4 divisors (see below), whose sum is σ = 315110122704. Its totient is φ = 315100724400.

The previous prime is 315105423481. The next prime is 315105423583. The reversal of 315105423551 is 155324501513.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 315105423551 - 2³⁸ = 40227516607 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315105423151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2247515 + ... + 2383596.

It is an arithmetic number, because the mean of its divisors is an integer number (78777530676).

Almost surely, 2^315105423551 is an apocalyptic number.

315105423551 is a deficient number, since it is larger than the sum of its proper divisors (4699153).

315105423551 is an equidigital number, since it uses as much as digits as its factorization.

315105423551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4699152.

The product of its (nonzero) digits is 45000, while the sum is 35.

The spelling of 315105423551 in words is "three hundred fifteen billion, one hundred five million, four hundred twenty-three thousand, five hundred fifty-one".