315152553987 has 24 divisors (see below), whose sum is σ = 458065221120. Its totient is φ = 208792306800.

The previous prime is 315152553977. The next prime is 315152554001. The reversal of 315152553987 is 789355251513.

315152553987 is a `hidden beast` number, since 3 + 1 + 5 + 1 + 5 + 2 + 553 + 9 + 87 = 666.

It is not a de Polignac number, because 315152553987 - 2¹² = 315152549891 is a prime.

It is a super-2 number, since 2×315152553987² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (315152553907) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 897112 + ... + 1197962.

It is an arithmetic number, because the mean of its divisors is an integer number (19086050880).

Almost surely, 2^315152553987 is an apocalyptic number.

315152553987 is a deficient number, since it is larger than the sum of its proper divisors (142912667133).

315152553987 is a wasteful number, since it uses less digits than its factorization.

315152553987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301583 (or 301580 counting only the distinct ones).

The product of its digits is 5670000, while the sum is 54.

The spelling of 315152553987 in words is "three hundred fifteen billion, one hundred fifty-two million, five hundred fifty-three thousand, nine hundred eighty-seven".