105997880031492 has 12 divisors (see below), whose sum is σ = 247328386740176. Its totient is φ = 35332626677160.

The previous prime is 105997880031427. The next prime is 105997880031493. The reversal of 105997880031492 is 294130088799501.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×105997880031492² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105997880031493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4416578334634 + ... + 4416578334657.

Almost surely, 2^{105997880031492} is an apocalyptic number.

105997880031492 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

105997880031492 is an abundant number, since it is smaller than the sum of its proper divisors (141330506708684).

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

105997880031492 is a wasteful number, since it uses less digits than its factorization.

105997880031492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8833156669298 (or 8833156669296 counting only the distinct ones).

The product of its (nonzero) digits is 39191040, while the sum is 66.

The spelling of 105997880031492 in words is "one hundred five trillion, nine hundred ninety-seven billion, eight hundred eighty million, thirty-one thousand, four hundred ninety-two".