11012635680 has 96 divisors (see below), whose sum is σ = 34706423808. Its totient is φ = 2935296000.

The previous prime is 11012635663. The next prime is 11012635691. The reversal of 11012635680 is 8653621011.

It is a tau number, because it is divible by the number of its divisors (96).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1340385 + ... + 1348575.

It is an arithmetic number, because the mean of its divisors is an integer number (361525248).

Almost surely, 2^11012635680 is an apocalyptic number.

11012635680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11012635680 is an abundant number, since it is smaller than the sum of its proper divisors (23693788128).

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

11012635680 is a wasteful number, since it uses less digits than its factorization.

11012635680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11010 (or 11002 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 33.

The spelling of 11012635680 in words is "eleven billion, twelve million, six hundred thirty-five thousand, six hundred eighty".