52015115631 has 8 divisors (see below), whose sum is σ = 69355004544. Its totient is φ = 34675985240.

The previous prime is 52015115617. The next prime is 52015115651. The reversal of 52015115631 is 13651151025.

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

It is a cyclic number.

It is not a de Polignac number, because 52015115631 - 2⁵ = 52015115599 is a prime.

It is a super-2 number, since 2×52015115631² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52015115651) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3531 + ... + 322556.

It is an arithmetic number, because the mean of its divisors is an integer number (8669375568).

Almost surely, 2^52015115631 is an apocalyptic number.

52015115631 is a deficient number, since it is larger than the sum of its proper divisors (17339888913).

52015115631 is a wasteful number, since it uses less digits than its factorization.

52015115631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 379261.

The product of its (nonzero) digits is 4500, while the sum is 30.

Adding to 52015115631 its reverse (13651151025), we get a palindrome (65666266656).

The spelling of 52015115631 in words is "fifty-two billion, fifteen million, one hundred fifteen thousand, six hundred thirty-one".