11613564044123 has 4 divisors (see below), whose sum is σ = 11631969059088. Its totient is φ = 11595159029160.

The previous prime is 11613564044021. The next prime is 11613564044167. The reversal of 11613564044123 is 32144046531611.

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

It is a cyclic number.

It is not a de Polignac number, because 11613564044123 - 2⁸ = 11613564043867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11613564044323) 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, 9202506536 + ... + 9202507797.

It is an arithmetic number, because the mean of its divisors is an integer number (2907992264772).

Almost surely, 2^{11613564044123} is an apocalyptic number.

11613564044123 is a deficient number, since it is larger than the sum of its proper divisors (18405014965).

11613564044123 is an equidigital number, since it uses as much as digits as its factorization.

11613564044123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18405014964.

The product of its (nonzero) digits is 207360, while the sum is 41.

The spelling of 11613564044123 in words is "eleven trillion, six hundred thirteen billion, five hundred sixty-four million, forty-four thousand, one hundred twenty-three".