113154551 has 4 divisors (see below), whose sum is σ = 113518704. Its totient is φ = 112790400.

The previous prime is 113154493. The next prime is 113154563. The reversal of 113154551 is 155451311.

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 113154551 - 2⁶ = 113154487 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 113154551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113154851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 181610 + ... + 182231.

It is an arithmetic number, because the mean of its divisors is an integer number (28379676).

Almost surely, 2^113154551 is an apocalyptic number.

113154551 is a deficient number, since it is larger than the sum of its proper divisors (364153).

113154551 is an equidigital number, since it uses as much as digits as its factorization.

113154551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364152.

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

The square root of 113154551 is about 10637.4127963523. The cubic root of 113154551 is about 483.6791224581.

The spelling of 113154551 in words is "one hundred thirteen million, one hundred fifty-four thousand, five hundred fifty-one".