881861154522 has 16 divisors (see below), whose sum is σ = 1783539414720. Its totient is φ = 290650867232.

The previous prime is 881861154497. The next prime is 881861154523. The reversal of 881861154522 is 225451168188.

881861154522 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×881861154522² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (881861154523) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 825712158 + ... + 825713225.

It is an arithmetic number, because the mean of its divisors is an integer number (111471213420).

Almost surely, 2^881861154522 is an apocalyptic number.

881861154522 is an abundant number, since it is smaller than the sum of its proper divisors (901678260198).

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

881861154522 is a wasteful number, since it uses less digits than its factorization.

881861154522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1651425477.

The product of its digits is 1228800, while the sum is 51.

The spelling of 881861154522 in words is "eight hundred eighty-one billion, eight hundred sixty-one million, one hundred fifty-four thousand, five hundred twenty-two".