6372040315815 has 12 divisors (see below), whose sum is σ = 11044869880824. Its totient is φ = 3398421501744.

The previous prime is 6372040315813. The next prime is 6372040315831. The reversal of 6372040315815 is 5185130402736.

It is a happy number.

6372040315815 is a `hidden beast` number, since 6 + 3 + 7 + 20 + 40 + 3 + 1 + 581 + 5 = 666.

It is not a de Polignac number, because 6372040315815 - 2¹ = 6372040315813 is a prime.

It is a super-2 number, since 2×6372040315815² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 141600895907 = 6372040315815 / (6 + 3 + 7 + 2 + 0 + 4 + 0 + 3 + 1 + 5 + 8 + 1 + 5).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6372040315811) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 70800447909 + ... + 70800447998.

It is an arithmetic number, because the mean of its divisors is an integer number (920405823402).

Almost surely, 2^{6372040315815} is an apocalyptic number.

6372040315815 is a deficient number, since it is larger than the sum of its proper divisors (4672829565009).

6372040315815 is a wasteful number, since it uses less digits than its factorization.

6372040315815 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141600895918 (or 141600895915 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 45.

The spelling of 6372040315815 in words is "six trillion, three hundred seventy-two billion, forty million, three hundred fifteen thousand, eight hundred fifteen".