105047074781 has 32 divisors (see below), whose sum is σ = 122958259200. Its totient is φ = 88682330880.

The previous prime is 105047074739. The next prime is 105047074817. The reversal of 105047074781 is 187470740501.

It is not a de Polignac number, because 105047074781 - 2¹⁰ = 105047073757 is a prime.

It is a super-2 number, since 2×105047074781² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105047074711) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13328600 + ... + 13336478.

It is an arithmetic number, because the mean of its divisors is an integer number (3842445600).

Almost surely, 2^105047074781 is an apocalyptic number.

105047074781 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

105047074781 is a deficient number, since it is larger than the sum of its proper divisors (17911184419).

105047074781 is a wasteful number, since it uses less digits than its factorization.

105047074781 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8849.

The product of its (nonzero) digits is 219520, while the sum is 44.

The spelling of 105047074781 in words is "one hundred five billion, forty-seven million, seventy-four thousand, seven hundred eighty-one".