11757845440 has 56 divisors (see below), whose sum is σ = 30543684912. Its totient is φ = 4275578880.

The previous prime is 11757845401. The next prime is 11757845441. The reversal of 11757845440 is 4454875711.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11757845441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1666629 + ... + 1673668.

Almost surely, 2^11757845440 is an apocalyptic number.

11757845440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11757845440 is an abundant number, since it is smaller than the sum of its proper divisors (18785839472).

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

11757845440 is a wasteful number, since it uses less digits than its factorization.

11757845440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3340325 (or 3340315 counting only the distinct ones).

The product of its (nonzero) digits is 627200, while the sum is 46.

The spelling of 11757845440 in words is "eleven billion, seven hundred fifty-seven million, eight hundred forty-five thousand, four hundred forty".