105404344507 has 8 divisors (see below), whose sum is σ = 131413208832. Its totient is φ = 82133255400.

The previous prime is 105404344447. The next prime is 105404344523. The reversal of 105404344507 is 705443404501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 105404344507 - 2⁷ = 105404344379 is a prime.

It is a super-2 number, since 2×105404344507² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105404344807) 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, 684443719 + ... + 684443872.

It is an arithmetic number, because the mean of its divisors is an integer number (16426651104).

Almost surely, 2^105404344507 is an apocalyptic number.

105404344507 is a deficient number, since it is larger than the sum of its proper divisors (26008864325).

105404344507 is a wasteful number, since it uses less digits than its factorization.

105404344507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1368887609.

The product of its (nonzero) digits is 134400, while the sum is 37.

The spelling of 105404344507 in words is "one hundred five billion, four hundred four million, three hundred forty-four thousand, five hundred seven".