11553161743 has 4 divisors (see below), whose sum is σ = 11553535840. Its totient is φ = 11552787648.

The previous prime is 11553161701. The next prime is 11553161749. The reversal of 11553161743 is 34716135511.

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 11553161743 - 2⁹ = 11553161231 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11553161749) 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, 136098 + ... + 204031.

It is an arithmetic number, because the mean of its divisors is an integer number (2888383960).

Almost surely, 2^11553161743 is an apocalyptic number.

11553161743 is a deficient number, since it is larger than the sum of its proper divisors (374097).

11553161743 is an equidigital number, since it uses as much as digits as its factorization.

11553161743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374096.

The product of its digits is 37800, while the sum is 37.

The spelling of 11553161743 in words is "eleven billion, five hundred fifty-three million, one hundred sixty-one thousand, seven hundred forty-three".