11945837016 has 64 divisors (see below), whose sum is σ = 34929360000. Its totient is φ = 3772368288.

The previous prime is 11945836999. The next prime is 11945837017. The reversal of 11945837016 is 61073854911.

11945837016 is a `hidden beast` number, since 119 + 458 + 3 + 70 + 16 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11945837017) 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, 1451286 + ... + 1459493.

It is an arithmetic number, because the mean of its divisors is an integer number (545771250).

Almost surely, 2^11945837016 is an apocalyptic number.

It is an amenable number.

11945837016 is an abundant number, since it is smaller than the sum of its proper divisors (22983522984).

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

11945837016 is a wasteful number, since it uses less digits than its factorization.

11945837016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2910813 (or 2910803 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 45.

The spelling of 11945837016 in words is "eleven billion, nine hundred forty-five million, eight hundred thirty-seven thousand, sixteen".