117251151543 has 24 divisors (see below), whose sum is σ = 169870532832. Its totient is φ = 77933403648.

The previous prime is 117251151449. The next prime is 117251151557. The reversal of 117251151543 is 345151152711.

117251151543 is a `hidden beast` number, since 1 + 17 + 2 + 51 + 1 + 51 + 543 = 666.

It is not a de Polignac number, because 117251151543 - 2²⁰ = 117250102967 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 117251151498 and 117251151507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117251151343) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4663855 + ... + 4688927.

It is an arithmetic number, because the mean of its divisors is an integer number (7077938868).

Almost surely, 2^117251151543 is an apocalyptic number.

117251151543 is a deficient number, since it is larger than the sum of its proper divisors (52619381289).

117251151543 is a wasteful number, since it uses less digits than its factorization.

117251151543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26615 (or 26612 counting only the distinct ones).

The product of its digits is 21000, while the sum is 36.

The spelling of 117251151543 in words is "one hundred seventeen billion, two hundred fifty-one million, one hundred fifty-one thousand, five hundred forty-three".