11945687624 has 16 divisors (see below), whose sum is σ = 24121100220. Its totient is φ = 5513394240.

The previous prime is 11945687617. The next prime is 11945687641. The reversal of 11945687624 is 42678654911.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 11935562500 + 10125124 = 109250^2 + 3182^2 .

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, 57431087 + ... + 57431294.

Almost surely, 2^11945687624 is an apocalyptic number.

It is an amenable number.

11945687624 is an abundant number, since it is smaller than the sum of its proper divisors (12175412596).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11945687624 is a wasteful number, since it uses less digits than its factorization.

11945687624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114862400 (or 114862396 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 53.

The spelling of 11945687624 in words is "eleven billion, nine hundred forty-five million, six hundred eighty-seven thousand, six hundred twenty-four".