11449052159 has 4 divisors (see below), whose sum is σ = 11539202304. Its totient is φ = 11358902016.

The previous prime is 11449052149. The next prime is 11449052201. The reversal of 11449052159 is 95125094411.

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 11449052159 - 2²⁰ = 11448003583 is a prime.

It is a super-2 number, since 2×11449052159² (a number of 21 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 (11449052149) 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, 45074882 + ... + 45075135.

It is an arithmetic number, because the mean of its divisors is an integer number (2884800576).

Almost surely, 2^11449052159 is an apocalyptic number.

11449052159 is a deficient number, since it is larger than the sum of its proper divisors (90150145).

11449052159 is an equidigital number, since it uses as much as digits as its factorization.

11449052159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90150144.

The product of its (nonzero) digits is 64800, while the sum is 41.

The spelling of 11449052159 in words is "eleven billion, four hundred forty-nine million, fifty-two thousand, one hundred fifty-nine".