113401511 has 4 divisors (see below), whose sum is σ = 113738352. Its totient is φ = 113064672.

The previous prime is 113401499. The next prime is 113401573. The reversal of 113401511 is 115104311.

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

It is a cyclic number.

It is not a de Polignac number, because 113401511 - 2⁶ = 113401447 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 113401511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113401111) 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, 167915 + ... + 168588.

It is an arithmetic number, because the mean of its divisors is an integer number (28434588).

Almost surely, 2^113401511 is an apocalyptic number.

113401511 is a deficient number, since it is larger than the sum of its proper divisors (336841).

113401511 is an equidigital number, since it uses as much as digits as its factorization.

113401511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336840.

The product of its (nonzero) digits is 60, while the sum is 17.

The square root of 113401511 is about 10649.0145553474. The cubic root of 113401511 is about 484.0307436132.

Adding to 113401511 its reverse (115104311), we get a palindrome (228505822).

The spelling of 113401511 in words is "one hundred thirteen million, four hundred one thousand, five hundred eleven".