113612889802 has 4 divisors (see below), whose sum is σ = 170419334706. Its totient is φ = 56806444900.

The previous prime is 113612889787. The next prime is 113612889811. The reversal of 113612889802 is 208988216311.

It is a happy number.

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., 96069622401 + 17543267401 = 309951^2 + 132451^2 .

It is a super-2 number, since 2×113612889802² (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28403222449 + ... + 28403222452.

Almost surely, 2^113612889802 is an apocalyptic number.

113612889802 is a deficient number, since it is larger than the sum of its proper divisors (56806444904).

113612889802 is an equidigital number, since it uses as much as digits as its factorization.

113612889802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56806444903.

The product of its (nonzero) digits is 331776, while the sum is 49.

The spelling of 113612889802 in words is "one hundred thirteen billion, six hundred twelve million, eight hundred eighty-nine thousand, eight hundred two".