105261112506 has 32 divisors (see below), whose sum is σ = 230073006528. Its totient is φ = 31840029440.

The previous prime is 105261112471. The next prime is 105261112589. The reversal of 105261112506 is 605211162501.

It is a super-2 number, since 2×105261112506² (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 15 ways as a sum of consecutive naturals, for example, 1394895 + ... + 1468418.

It is an arithmetic number, because the mean of its divisors is an integer number (7189781454).

Almost surely, 2^105261112506 is an apocalyptic number.

105261112506 is an abundant number, since it is smaller than the sum of its proper divisors (124811894022).

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

105261112506 is a wasteful number, since it uses less digits than its factorization.

105261112506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2863886.

The product of its (nonzero) digits is 3600, while the sum is 30.

The spelling of 105261112506 in words is "one hundred five billion, two hundred sixty-one million, one hundred twelve thousand, five hundred six".