113135511 has 4 divisors (see below), whose sum is σ = 150847352. Its totient is φ = 75423672.

The previous prime is 113135497. The next prime is 113135513. The reversal of 113135511 is 115531311.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 113135511 - 2⁵ = 113135479 is a prime.

It is a super-2 number, since 2×113135511² = 25599287698462242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113135513) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18855916 + ... + 18855921.

It is an arithmetic number, because the mean of its divisors is an integer number (37711838).

Almost surely, 2^113135511 is an apocalyptic number.

113135511 is a deficient number, since it is larger than the sum of its proper divisors (37711841).

113135511 is an equidigital number, since it uses as much as digits as its factorization.

113135511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37711840.

The product of its digits is 225, while the sum is 21.

The square root of 113135511 is about 10636.5178042440. The cubic root of 113135511 is about 483.6519921100.

Adding to 113135511 its reverse (115531311), we get a palindrome (228666822).

The spelling of 113135511 in words is "one hundred thirteen million, one hundred thirty-five thousand, five hundred eleven".