10881385680 has 80 divisors (see below), whose sum is σ = 36798876864. Its totient is φ = 2637911040.

The previous prime is 10881385679. The next prime is 10881385717. The reversal of 10881385680 is 8658318801.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

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, 2058229 + ... + 2063508.

Almost surely, 2^10881385680 is an apocalyptic number.

10881385680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10881385680 is an abundant number, since it is smaller than the sum of its proper divisors (25917491184).

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

10881385680 is a wasteful number, since it uses less digits than its factorization.

10881385680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4121764 (or 4121758 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 48.

The spelling of 10881385680 in words is "ten billion, eight hundred eighty-one million, three hundred eighty-five thousand, six hundred eighty".