113613511 has 8 divisors (see below), whose sum is σ = 124139664. Its totient is φ = 103120320.

The previous prime is 113613473. The next prime is 113613547. The reversal of 113613511 is 115316311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 113613511 - 2²⁵ = 80059079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113613551) 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, 726 + ... + 15091.

It is an arithmetic number, because the mean of its divisors is an integer number (15517458).

Almost surely, 2^113613511 is an apocalyptic number.

113613511 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

113613511 is a deficient number, since it is larger than the sum of its proper divisors (10526153).

113613511 is a wasteful number, since it uses less digits than its factorization.

113613511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16481.

The product of its digits is 270, while the sum is 22.

The square root of 113613511 is about 10658.9638802278. The cubic root of 113613511 is about 484.3321818050.

Adding to 113613511 its reverse (115316311), we get a palindrome (228929822).

The spelling of 113613511 in words is "one hundred thirteen million, six hundred thirteen thousand, five hundred eleven".