11944458573 has 16 divisors (see below), whose sum is σ = 16048278336. Its totient is φ = 7901850240.

The previous prime is 11944458541. The next prime is 11944458593. The reversal of 11944458573 is 37585444911.

It is not a de Polignac number, because 11944458573 - 2⁵ = 11944458541 is a prime.

It is a super-2 number, since 2×11944458573² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11944458593) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1789863 + ... + 1796523.

It is an arithmetic number, because the mean of its divisors is an integer number (1003017396).

Almost surely, 2^11944458573 is an apocalyptic number.

It is an amenable number.

11944458573 is a deficient number, since it is larger than the sum of its proper divisors (4103819763).

11944458573 is a wasteful number, since it uses less digits than its factorization.

11944458573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11164.

The product of its digits is 2419200, while the sum is 51.

The spelling of 11944458573 in words is "eleven billion, nine hundred forty-four million, four hundred fifty-eight thousand, five hundred seventy-three".