113585401188 has 108 divisors (see below), whose sum is σ = 345512398140. Its totient is φ = 31333889664.

The previous prime is 113585401157. The next prime is 113585401219. The reversal of 113585401188 is 881104585311.

113585401188 is a `hidden beast` number, since 1 + 13 + 5 + 8 + 540 + 11 + 88 = 666.

It is an interprime number because it is at equal distance from previous prime (113585401157) and next prime (113585401219).

It can be written as a sum of positive squares in 2 ways, for example, as 58444029504 + 55141371684 = 241752^2 + 234822^2 .

It is a super-2 number, since 2×113585401188² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1059031 + ... + 1161342.

Almost surely, 2^113585401188 is an apocalyptic number.

113585401188 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

113585401188 is an abundant number, since it is smaller than the sum of its proper divisors (231926996952).

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

113585401188 is a wasteful number, since it uses less digits than its factorization.

113585401188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2220426 (or 2220414 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 45.

Adding to 113585401188 its reverse (881104585311), we get a palindrome (994689986499).

The spelling of 113585401188 in words is "one hundred thirteen billion, five hundred eighty-five million, four hundred one thousand, one hundred eighty-eight".