113512051 has 4 divisors (see below), whose sum is σ = 113640912. Its totient is φ = 113383192.

The previous prime is 113512037. The next prime is 113512057. The reversal of 113512051 is 150215311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 150215311 = 19 ⋅7906069.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113512051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113512057) 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, 63100 + ... + 64873.

It is an arithmetic number, because the mean of its divisors is an integer number (28410228).

Almost surely, 2^113512051 is an apocalyptic number.

113512051 is a deficient number, since it is larger than the sum of its proper divisors (128861).

113512051 is an equidigital number, since it uses as much as digits as its factorization.

113512051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128860.

The product of its (nonzero) digits is 150, while the sum is 19.

The square root of 113512051 is about 10654.2034427732. The cubic root of 113512051 is about 484.1879648661.

Adding to 113512051 its reverse (150215311), we get a palindrome (263727362).

The spelling of 113512051 in words is "one hundred thirteen million, five hundred twelve thousand, fifty-one".