113078891 has 2 divisors, whose sum is σ = 113078892. Its totient is φ = 113078890.

The previous prime is 113078857. The next prime is 113078929. The reversal of 113078891 is 198870311.

It is an a-pointer prime, because the next prime (113078929) can be obtained adding 113078891 to its sum of digits (38).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 113078891 - 2⁶ = 113078827 is a prime.

It is not a weakly prime, because it can be changed into another prime (113078831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56539445 + 56539446.

It is an arithmetic number, because the mean of its divisors is an integer number (56539446).

Almost surely, 2^113078891 is an apocalyptic number.

113078891 is a deficient number, since it is larger than the sum of its proper divisors (1).

113078891 is an equidigital number, since it uses as much as digits as its factorization.

113078891 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 38.

The square root of 113078891 is about 10633.8558858017. The cubic root of 113078891 is about 483.5712955333.

The spelling of 113078891 in words is "one hundred thirteen million, seventy-eight thousand, eight hundred ninety-one".