7138631535815 has 8 divisors (see below), whose sum is σ = 9225308446368. Its totient is φ = 5271604826400.

The previous prime is 7138631535793. The next prime is 7138631535821. The reversal of 7138631535815 is 5185351368317.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 7138631535815 - 2¹⁰ = 7138631534791 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54912550211 + ... + 54912550340.

It is an arithmetic number, because the mean of its divisors is an integer number (1153163555796).

Almost surely, 2^{7138631535815} is an apocalyptic number.

7138631535815 is a deficient number, since it is larger than the sum of its proper divisors (2086676910553).

7138631535815 is a wasteful number, since it uses less digits than its factorization.

7138631535815 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109825100569.

The product of its digits is 9072000, while the sum is 56.

The spelling of 7138631535815 in words is "seven trillion, one hundred thirty-eight billion, six hundred thirty-one million, five hundred thirty-five thousand, eight hundred fifteen".