315115011145 has 32 divisors (see below), whose sum is σ = 418457255040. Its totient is φ = 225894666240.

The previous prime is 315115011137. The next prime is 315115011179. The reversal of 315115011145 is 541110511513.

It is not a de Polignac number, because 315115011145 - 2³ = 315115011137 is a prime.

It is a super-2 number, since 2×315115011145² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1020862 + ... + 1293208.

It is an arithmetic number, because the mean of its divisors is an integer number (13076789220).

Almost surely, 2^315115011145 is an apocalyptic number.

It is an amenable number.

315115011145 is a deficient number, since it is larger than the sum of its proper divisors (103342243895).

315115011145 is a wasteful number, since it uses less digits than its factorization.

315115011145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272665.

The product of its (nonzero) digits is 1500, while the sum is 28.

Adding to 315115011145 its reverse (541110511513), we get a palindrome (856225522658).

The spelling of 315115011145 in words is "three hundred fifteen billion, one hundred fifteen million, eleven thousand, one hundred forty-five".