63117529436231 has 4 divisors (see below), whose sum is σ = 63379427898864. Its totient is φ = 62855630973600.

The previous prime is 63117529436219. The next prime is 63117529436321. The reversal of 63117529436231 is 13263492571136.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 63117529436231 - 2⁶ = 63117529436167 is a prime.

It is a super-2 number, since 2×63117529436231² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63117529430231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 130949230955 + ... + 130949231436.

It is an arithmetic number, because the mean of its divisors is an integer number (15844856974716).

Almost surely, 2^{63117529436231} is an apocalyptic number.

63117529436231 is a deficient number, since it is larger than the sum of its proper divisors (261898462633).

63117529436231 is a wasteful number, since it uses less digits than its factorization.

63117529436231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261898462632.

The product of its digits is 4898880, while the sum is 53.

The spelling of 63117529436231 in words is "sixty-three trillion, one hundred seventeen billion, five hundred twenty-nine million, four hundred thirty-six thousand, two hundred thirty-one".