113223040511 has 4 divisors (see below), whose sum is σ = 129397760592. Its totient is φ = 97048320432.

The previous prime is 113223040507. The next prime is 113223040523. The reversal of 113223040511 is 115040322311.

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

It is not a de Polignac number, because 113223040511 - 2² = 113223040507 is a prime.

It is a super-2 number, since 2×113223040511² (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 (113223040531) 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, 8087360030 + ... + 8087360043.

It is an arithmetic number, because the mean of its divisors is an integer number (32349440148).

Almost surely, 2^113223040511 is an apocalyptic number.

113223040511 is a deficient number, since it is larger than the sum of its proper divisors (16174720081).

113223040511 is an equidigital number, since it uses as much as digits as its factorization.

113223040511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16174720080.

The product of its (nonzero) digits is 720, while the sum is 23.

Adding to 113223040511 its reverse (115040322311), we get a palindrome (228263362822).

The spelling of 113223040511 in words is "one hundred thirteen billion, two hundred twenty-three million, forty thousand, five hundred eleven".