105412113506 has 64 divisors (see below), whose sum is σ = 195524409600. Its totient is φ = 41619142656.

The previous prime is 105412113481. The next prime is 105412113523. The reversal of 105412113506 is 605311214501.

It is a super-2 number, since 2×105412113506² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1559990 + ... + 1626158.

It is an arithmetic number, because the mean of its divisors is an integer number (3055068900).

Almost surely, 2^105412113506 is an apocalyptic number.

105412113506 is a deficient number, since it is larger than the sum of its proper divisors (90112296094).

105412113506 is a wasteful number, since it uses less digits than its factorization.

105412113506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66363.

The product of its (nonzero) digits is 3600, while the sum is 29.

The spelling of 105412113506 in words is "one hundred five billion, four hundred twelve million, one hundred thirteen thousand, five hundred six".