105325991880 has 32 divisors (see below), whose sum is σ = 315977976000. Its totient is φ = 28086931136.

The previous prime is 105325991867. The next prime is 105325991893. The reversal of 105325991880 is 88199523501.

It is an interprime number because it is at equal distance from previous prime (105325991867) and next prime (105325991893).

It is a super-2 number, since 2×105325991880² (a number of 23 digits) contains 22 as substring.

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, 438858180 + ... + 438858419.

It is an arithmetic number, because the mean of its divisors is an integer number (9874311750).

Almost surely, 2^105325991880 is an apocalyptic number.

105325991880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

105325991880 is an abundant number, since it is smaller than the sum of its proper divisors (210651984120).

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

105325991880 is a wasteful number, since it uses less digits than its factorization.

105325991880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 877716613 (or 877716609 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 51.

The spelling of 105325991880 in words is "one hundred five billion, three hundred twenty-five million, nine hundred ninety-one thousand, eight hundred eighty".