10881749140 has 24 divisors (see below), whose sum is σ = 23140938240. Its totient is φ = 4297601568.

The previous prime is 10881749129. The next prime is 10881749171. The reversal of 10881749140 is 4194718801.

It is a happy number.

It is a congruent number.

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, 3442012 + ... + 3445171.

It is an arithmetic number, because the mean of its divisors is an integer number (964205760).

Almost surely, 2^10881749140 is an apocalyptic number.

10881749140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10881749140 is an abundant number, since it is smaller than the sum of its proper divisors (12259189100).

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

10881749140 is a wasteful number, since it uses less digits than its factorization.

10881749140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6887271 (or 6887269 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 43.

The spelling of 10881749140 in words is "ten billion, eight hundred eighty-one million, seven hundred forty-nine thousand, one hundred forty".