315631615621155 has 16 divisors (see below), whose sum is σ = 505011142671360. Its totient is φ = 168336675772128.

The previous prime is 315631615621151. The next prime is 315631615621159. The reversal of 315631615621155 is 551126516136513.

It is an interprime number because it is at equal distance from previous prime (315631615621151) and next prime (315631615621159).

It is not a de Polignac number, because 315631615621155 - 2² = 315631615621151 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 315631615621098 and 315631615621107.

It is not an unprimeable number, because it can be changed into a prime (315631615621151) 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, 3012216 + ... + 25304874.

It is an arithmetic number, because the mean of its divisors is an integer number (31563196416960).

Almost surely, 2^{315631615621155} is an apocalyptic number.

315631615621155 is a deficient number, since it is larger than the sum of its proper divisors (189379527050205).

315631615621155 is a wasteful number, since it uses less digits than its factorization.

315631615621155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23236570.

The product of its digits is 2430000, while the sum is 51.

The spelling of 315631615621155 in words is "three hundred fifteen trillion, six hundred thirty-one billion, six hundred fifteen million, six hundred twenty-one thousand, one hundred fifty-five".