113475228891 has 4 divisors (see below), whose sum is σ = 151300305192. Its totient is φ = 75650152592.

The previous prime is 113475228877. The next prime is 113475228899. The reversal of 113475228891 is 198822574311.

It is a happy number.

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 113475228891 - 2⁶ = 113475228827 is a prime.

It is not an unprimeable number, because it can be changed into a prime (113475228899) 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, 18912538146 + ... + 18912538151.

It is an arithmetic number, because the mean of its divisors is an integer number (37825076298).

Almost surely, 2^113475228891 is an apocalyptic number.

113475228891 is a deficient number, since it is larger than the sum of its proper divisors (37825076301).

113475228891 is an equidigital number, since it uses as much as digits as its factorization.

113475228891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37825076300.

The product of its digits is 967680, while the sum is 51.

The spelling of 113475228891 in words is "one hundred thirteen billion, four hundred seventy-five million, two hundred twenty-eight thousand, eight hundred ninety-one".