113563166026 has 4 divisors (see below), whose sum is σ = 170344749042. Its totient is φ = 56781583012.

The previous prime is 113563166021. The next prime is 113563166039. The reversal of 113563166026 is 620661365311.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 77804734225 + 35758431801 = 278935^2 + 189099^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 113563166026.

It is not an unprimeable number, because it can be changed into a prime (113563166021) 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, 28390791505 + ... + 28390791508.

Almost surely, 2^113563166026 is an apocalyptic number.

113563166026 is a deficient number, since it is larger than the sum of its proper divisors (56781583016).

113563166026 is an equidigital number, since it uses as much as digits as its factorization.

113563166026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56781583015.

The product of its (nonzero) digits is 116640, while the sum is 40.

The spelling of 113563166026 in words is "one hundred thirteen billion, five hundred sixty-three million, one hundred sixty-six thousand, twenty-six".