11553556140 has 108 divisors (see below), whose sum is σ = 40767579216. Its totient is φ = 2640810816.

The previous prime is 11553556127. The next prime is 11553556159. The reversal of 11553556140 is 4165535511.

11553556140 is a `hidden beast` number, since 1 + 1 + 5 + 5 + 35 + 5 + 614 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 11553556095 and 11553556104.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 646144 + ... + 663783.

Almost surely, 2^11553556140 is an apocalyptic number.

11553556140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11553556140 is an abundant number, since it is smaller than the sum of its proper divisors (29214023076).

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

11553556140 is a wasteful number, since it uses less digits than its factorization.

11553556140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1309956 (or 1309944 counting only the distinct ones).

The product of its (nonzero) digits is 45000, while the sum is 36.

The spelling of 11553556140 in words is "eleven billion, five hundred fifty-three million, five hundred fifty-six thousand, one hundred forty".