11100622640 has 40 divisors (see below), whose sum is σ = 25825586640. Its totient is φ = 4437386496.

The previous prime is 11100622601. The next prime is 11100622657. The reversal of 11100622640 is 4622600111.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82382 + ... + 170258.

It is an arithmetic number, because the mean of its divisors is an integer number (645639666).

Almost surely, 2^11100622640 is an apocalyptic number.

11100622640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11100622640 is an abundant number, since it is smaller than the sum of its proper divisors (14724964000).

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

11100622640 is a wasteful number, since it uses less digits than its factorization.

11100622640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89469 (or 89463 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

The spelling of 11100622640 in words is "eleven billion, one hundred million, six hundred twenty-two thousand, six hundred forty".