113560861 has 2 divisors, whose sum is σ = 113560862. Its totient is φ = 113560860.

The previous prime is 113560823. The next prime is 113560877. The reversal of 113560861 is 168065311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 95667961 + 17892900 = 9781^2 + 4230^2 .

It is a cyclic number.

It is not a de Polignac number, because 113560861 - 2¹¹ = 113558813 is a prime.

It is a super-2 number, since 2×113560861² = 25792138302122642, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113560661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56780430 + 56780431.

It is an arithmetic number, because the mean of its divisors is an integer number (56780431).

Almost surely, 2^113560861 is an apocalyptic number.

It is an amenable number.

113560861 is a deficient number, since it is larger than the sum of its proper divisors (1).

113560861 is an equidigital number, since it uses as much as digits as its factorization.

113560861 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 113560861 is about 10656.4938417849. The cubic root of 113560861 is about 484.2573549375.

The spelling of 113560861 in words is "one hundred thirteen million, five hundred sixty thousand, eight hundred sixty-one".