5631381315615 has 16 divisors (see below), whose sum is σ = 9829320114816. Its totient is φ = 2730366698400.

The previous prime is 5631381315607. The next prime is 5631381315617. The reversal of 5631381315615 is 5165131831365.

It is not a de Polignac number, because 5631381315615 - 2³ = 5631381315607 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5631381315617) 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, 17064791701 + ... + 17064792030.

It is an arithmetic number, because the mean of its divisors is an integer number (614332507176).

Almost surely, 2^{5631381315615} is an apocalyptic number.

5631381315615 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

5631381315615 is a deficient number, since it is larger than the sum of its proper divisors (4197938799201).

5631381315615 is a wasteful number, since it uses less digits than its factorization.

5631381315615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34129583750.

The product of its digits is 972000, while the sum is 48.

The spelling of 5631381315615 in words is "five trillion, six hundred thirty-one billion, three hundred eighty-one million, three hundred fifteen thousand, six hundred fifteen".