315045555121 has 48 divisors (see below), whose sum is σ = 361579034880. Its totient is φ = 272026460160.

The previous prime is 315045555103. The next prime is 315045555161. The reversal of 315045555121 is 121555540513.

It is not a de Polignac number, because 315045555121 - 2¹¹ = 315045553073 is a prime.

It is a super-3 number, since 3×315045555121³ (a number of 35 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (315045555161) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 273239281 + ... + 273240433.

It is an arithmetic number, because the mean of its divisors is an integer number (7532896560).

Almost surely, 2^315045555121 is an apocalyptic number.

It is an amenable number.

315045555121 is a deficient number, since it is larger than the sum of its proper divisors (46533479759).

315045555121 is a wasteful number, since it uses less digits than its factorization.

315045555121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1546 (or 1493 counting only the distinct ones).

The product of its (nonzero) digits is 75000, while the sum is 37.

The spelling of 315045555121 in words is "three hundred fifteen billion, forty-five million, five hundred fifty-five thousand, one hundred twenty-one".