315500621099 has 16 divisors (see below), whose sum is σ = 320869164000. Its totient is φ = 310179663360.

The previous prime is 315500621063. The next prime is 315500621101. The reversal of 315500621099 is 990126005513.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-315500621099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (315500621899) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32251589 + ... + 32261369.

It is an arithmetic number, because the mean of its divisors is an integer number (20054322750).

Almost surely, 2^315500621099 is an apocalyptic number.

315500621099 is a deficient number, since it is larger than the sum of its proper divisors (5368542901).

315500621099 is a wasteful number, since it uses less digits than its factorization.

315500621099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12158.

The product of its (nonzero) digits is 72900, while the sum is 41.

The spelling of 315500621099 in words is "three hundred fifteen billion, five hundred million, six hundred twenty-one thousand, ninety-nine".