11589990043 has 4 divisors (see below), whose sum is σ = 11592746568. Its totient is φ = 11587233520.

The previous prime is 11589990029. The next prime is 11589990047. The reversal of 11589990043 is 34009998511.

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 11589990043 - 2³³ = 3000055451 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11589990047) 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, 1371946 + ... + 1380367.

It is an arithmetic number, because the mean of its divisors is an integer number (2898186642).

Almost surely, 2^11589990043 is an apocalyptic number.

11589990043 is a deficient number, since it is larger than the sum of its proper divisors (2756525).

11589990043 is an equidigital number, since it uses as much as digits as its factorization.

11589990043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2756524.

The product of its (nonzero) digits is 349920, while the sum is 49.

The spelling of 11589990043 in words is "eleven billion, five hundred eighty-nine million, nine hundred ninety thousand, forty-three".