113362786981 has 4 divisors (see below), whose sum is σ = 113547718732. Its totient is φ = 113177855232.

The previous prime is 113362786963. The next prime is 113362787011. The reversal of 113362786981 is 189687263311.

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

It can be written as a sum of positive squares in 2 ways, for example, as 25826097025 + 87536689956 = 160705^2 + 295866^2 .

It is a cyclic number.

It is not a de Polignac number, because 113362786981 - 2¹⁷ = 113362655909 is a prime.

It is a super-2 number, since 2×113362786981² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113362786181) 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, 92464956 + ... + 92466181.

It is an arithmetic number, because the mean of its divisors is an integer number (28386929683).

Almost surely, 2^113362786981 is an apocalyptic number.

It is an amenable number.

113362786981 is a deficient number, since it is larger than the sum of its proper divisors (184931751).

113362786981 is an equidigital number, since it uses as much as digits as its factorization.

113362786981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184931750.

The product of its digits is 2612736, while the sum is 55.

The spelling of 113362786981 in words is "one hundred thirteen billion, three hundred sixty-two million, seven hundred eighty-six thousand, nine hundred eighty-one".