115177701660 has 72 divisors (see below), whose sum is σ = 375150237840. Its totient is φ = 26326331136.

The previous prime is 115177701649. The next prime is 115177701677. The reversal of 115177701660 is 66107771511.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19585105 + ... + 19590984.

It is an arithmetic number, because the mean of its divisors is an integer number (5210419970).

Almost surely, 2^115177701660 is an apocalyptic number.

115177701660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115177701660 is an abundant number, since it is smaller than the sum of its proper divisors (259972536180).

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

115177701660 is a wasteful number, since it uses less digits than its factorization.

115177701660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39176115 (or 39176106 counting only the distinct ones).

The product of its (nonzero) digits is 61740, while the sum is 42.

It can be divided in two parts, 11517 and 7701660, that added together give a palindrome (7713177).

The spelling of 115177701660 in words is "one hundred fifteen billion, one hundred seventy-seven million, seven hundred one thousand, six hundred sixty".