113381506690 has 16 divisors (see below), whose sum is σ = 204092215992. Its totient is φ = 45351379584.

The previous prime is 113381506669. The next prime is 113381506691. The reversal of 113381506690 is 96605183311.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 109926065601 + 3455441089 = 331551^2 + 58783^2 .

It is a super-2 number, since 2×113381506690² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (113381506691) 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, 300472 + ... + 563068.

Almost surely, 2^113381506690 is an apocalyptic number.

113381506690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

113381506690 is a deficient number, since it is larger than the sum of its proper divisors (90710709302).

113381506690 is a wasteful number, since it uses less digits than its factorization.

113381506690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305781.

The product of its (nonzero) digits is 116640, while the sum is 43.

The spelling of 113381506690 in words is "one hundred thirteen billion, three hundred eighty-one million, five hundred six thousand, six hundred ninety".