11737394885 has 4 divisors (see below), whose sum is σ = 14084873868. Its totient is φ = 9389915904.

The previous prime is 11737394833. The next prime is 11737394897. The reversal of 11737394885 is 58849373711.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 8667237604 + 3070157281 = 93098^2 + 55409^2 .

It is a cyclic number.

It is not a de Polignac number, because 11737394885 - 2⁶ = 11737394821 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11737394885.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1173739484 + ... + 1173739493.

It is an arithmetic number, because the mean of its divisors is an integer number (3521218467).

Almost surely, 2^11737394885 is an apocalyptic number.

It is an amenable number.

11737394885 is a deficient number, since it is larger than the sum of its proper divisors (2347478983).

11737394885 is an equidigital number, since it uses as much as digits as its factorization.

11737394885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2347478982.

The product of its digits is 5080320, while the sum is 56.

The spelling of 11737394885 in words is "eleven billion, seven hundred thirty-seven million, three hundred ninety-four thousand, eight hundred eighty-five".