105354243992 has 32 divisors (see below), whose sum is σ = 206722022400. Its totient is φ = 50241574944.

The previous prime is 105354243989. The next prime is 105354244013. The reversal of 105354243992 is 299342453501.

105354243992 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×105354243992² (a number of 23 digits) contains 22 as substring.

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, 761192 + ... + 888887.

It is an arithmetic number, because the mean of its divisors is an integer number (6460063200).

Almost surely, 2^105354243992 is an apocalyptic number.

It is an amenable number.

105354243992 is a deficient number, since it is larger than the sum of its proper divisors (101367778408).

105354243992 is a wasteful number, since it uses less digits than its factorization.

105354243992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1650455 (or 1650451 counting only the distinct ones).

The product of its (nonzero) digits is 1166400, while the sum is 47.

The spelling of 105354243992 in words is "one hundred five billion, three hundred fifty-four million, two hundred forty-three thousand, nine hundred ninety-two".