113208120361 has 4 divisors (see below), whose sum is σ = 129380708992. Its totient is φ = 97035531732.

The previous prime is 113208120271. The next prime is 113208120371. The reversal of 113208120361 is 163021802311.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 113208120361 - 2¹³ = 113208112169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113208120371) 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, 8086294305 + ... + 8086294318.

It is an arithmetic number, because the mean of its divisors is an integer number (32345177248).

Almost surely, 2^113208120361 is an apocalyptic number.

It is an amenable number.

113208120361 is a deficient number, since it is larger than the sum of its proper divisors (16172588631).

113208120361 is an equidigital number, since it uses as much as digits as its factorization.

113208120361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16172588630.

The product of its (nonzero) digits is 1728, while the sum is 28.

Adding to 113208120361 its reverse (163021802311), we get a palindrome (276229922672).

The spelling of 113208120361 in words is "one hundred thirteen billion, two hundred eight million, one hundred twenty thousand, three hundred sixty-one".