11550617740 has 12 divisors (see below), whose sum is σ = 24256297296. Its totient is φ = 4620247088.

The previous prime is 11550617723. The next prime is 11550617753. The reversal of 11550617740 is 4771605511.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 11550617740.

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, 288765424 + ... + 288765463.

It is an arithmetic number, because the mean of its divisors is an integer number (2021358108).

Almost surely, 2^11550617740 is an apocalyptic number.

11550617740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11550617740 is an abundant number, since it is smaller than the sum of its proper divisors (12705679556).

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

11550617740 is a wasteful number, since it uses less digits than its factorization.

11550617740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 577530896 (or 577530894 counting only the distinct ones).

The product of its (nonzero) digits is 29400, while the sum is 37.

The spelling of 11550617740 in words is "eleven billion, five hundred fifty million, six hundred seventeen thousand, seven hundred forty".