881118090512 has 80 divisors (see below), whose sum is σ = 1911690804672. Its totient is φ = 389958965760.

The previous prime is 881118090511. The next prime is 881118090527. The reversal of 881118090512 is 215090811188.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is not an unprimeable number, because it can be changed into a prime (881118090511) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2215418 + ... + 2582694.

Almost surely, 2^881118090512 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 881118090512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (955845402336).

881118090512 is an abundant number, since it is smaller than the sum of its proper divisors (1030572714160).

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

881118090512 is a wasteful number, since it uses less digits than its factorization.

881118090512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 367656 (or 367650 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 44.

The spelling of 881118090512 in words is "eight hundred eighty-one billion, one hundred eighteen million, ninety thousand, five hundred twelve".