315553255152622 has 4 divisors (see below), whose sum is σ = 473329882728936. Its totient is φ = 157776627576310.

The previous prime is 315553255152617. The next prime is 315553255152623. The reversal of 315553255152622 is 226251552355513.

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

It is a self number, because there is not a number n which added to its sum of digits gives 315553255152622.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315553255152623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78888313788154 + ... + 78888313788157.

It is an arithmetic number, because the mean of its divisors is an integer number (118332470682234).

Almost surely, 2^{315553255152622} is an apocalyptic number.

315553255152622 is a deficient number, since it is larger than the sum of its proper divisors (157776627576314).

315553255152622 is a wasteful number, since it uses less digits than its factorization.

315553255152622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157776627576313.

The product of its digits is 13500000, while the sum is 52.

The spelling of 315553255152622 in words is "three hundred fifteen trillion, five hundred fifty-three billion, two hundred fifty-five million, one hundred fifty-two thousand, six hundred twenty-two".