11418508140 has 96 divisors (see below), whose sum is σ = 35618546880. Its totient is φ = 2713783296.

The previous prime is 11418508117. The next prime is 11418508177. The reversal of 11418508140 is 4180581411.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 229779 + ... + 275018.

It is an arithmetic number, because the mean of its divisors is an integer number (371026530).

Almost surely, 2^11418508140 is an apocalyptic number.

11418508140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11418508140 is an abundant number, since it is smaller than the sum of its proper divisors (24200038740).

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

11418508140 is a wasteful number, since it uses less digits than its factorization.

11418508140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 504851 (or 504849 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 33.

The spelling of 11418508140 in words is "eleven billion, four hundred eighteen million, five hundred eight thousand, one hundred forty".