5231515407479 has 8 divisors (see below), whose sum is σ = 5416013622720. Its totient is φ = 5050066749696.

The previous prime is 5231515407457. The next prime is 5231515407533. The reversal of 5231515407479 is 9747045151325.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5231515407479 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5231515407479.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5231515407449) 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, 762385874 + ... + 762392735.

It is an arithmetic number, because the mean of its divisors is an integer number (677001702840).

Almost surely, 2^{5231515407479} is an apocalyptic number.

5231515407479 is a deficient number, since it is larger than the sum of its proper divisors (184498215241).

5231515407479 is a wasteful number, since it uses less digits than its factorization.

5231515407479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1524778729.

The product of its (nonzero) digits is 5292000, while the sum is 53.

The spelling of 5231515407479 in words is "five trillion, two hundred thirty-one billion, five hundred fifteen million, four hundred seven thousand, four hundred seventy-nine".