113451551 has 4 divisors (see below), whose sum is σ = 116218704. Its totient is φ = 110684400.

The previous prime is 113451493. The next prime is 113451581. The reversal of 113451551 is 155154311.

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 113451551 - 2¹⁴ = 113435167 is a prime.

It is a super-3 number, since 3×113451551³ (a number of 25 digits) contains 333 as substring.

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 113451551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113451581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1383515 + ... + 1383596.

It is an arithmetic number, because the mean of its divisors is an integer number (29054676).

Almost surely, 2^113451551 is an apocalyptic number.

113451551 is a deficient number, since it is larger than the sum of its proper divisors (2767153).

113451551 is an equidigital number, since it uses as much as digits as its factorization.

113451551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2767152.

The product of its digits is 1500, while the sum is 26.

The square root of 113451551 is about 10651.3638093908. The cubic root of 113451551 is about 484.1019282517.

The spelling of 113451551 in words is "one hundred thirteen million, four hundred fifty-one thousand, five hundred fifty-one".