113132551 has 4 divisors (see below), whose sum is σ = 129294352. Its totient is φ = 96970752.

The previous prime is 113132533. The next prime is 113132557. The reversal of 113132551 is 155231311.

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 113132551 - 2¹⁵ = 113099783 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113132557) 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, 8080890 + ... + 8080903.

It is an arithmetic number, because the mean of its divisors is an integer number (32323588).

Almost surely, 2^113132551 is an apocalyptic number.

113132551 is a deficient number, since it is larger than the sum of its proper divisors (16161801).

113132551 is an equidigital number, since it uses as much as digits as its factorization.

113132551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16161800.

The product of its digits is 450, while the sum is 22.

The square root of 113132551 is about 10636.3786600515. The cubic root of 113132551 is about 483.6477740934.

Adding to 113132551 its reverse (155231311), we get a palindrome (268363862).

The spelling of 113132551 in words is "one hundred thirteen million, one hundred thirty-two thousand, five hundred fifty-one".