117557764530 has 16 divisors (see below), whose sum is σ = 282138634944. Its totient is φ = 31348737200.

The previous prime is 117557764529. The next prime is 117557764531. The reversal of 117557764530 is 35467755711.

It is an interprime number because it is at equal distance from previous prime (117557764529) and next prime (117557764531).

It is a super-2 number, since 2×117557764530² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (117557764531) 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, 1959296046 + ... + 1959296105.

It is an arithmetic number, because the mean of its divisors is an integer number (17633664684).

Almost surely, 2^117557764530 is an apocalyptic number.

117557764530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

117557764530 is an abundant number, since it is smaller than the sum of its proper divisors (164580870414).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

117557764530 is a wasteful number, since it uses less digits than its factorization.

117557764530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3918592161.

The product of its (nonzero) digits is 3087000, while the sum is 51.

The spelling of 117557764530 in words is "one hundred seventeen billion, five hundred fifty-seven million, seven hundred sixty-four thousand, five hundred thirty".