105556061039 has 16 divisors (see below), whose sum is σ = 124037373600. Its totient is φ = 88558901760.

The previous prime is 105556061027. The next prime is 105556061041. The reversal of 105556061039 is 930160655501.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 105556061039 - 2⁸ = 105556060783 is a prime.

It is a super-2 number, since 2×105556061039² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 105556060987 and 105556061005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105556061089) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 585419 + ... + 744195.

It is an arithmetic number, because the mean of its divisors is an integer number (7752335850).

Almost surely, 2^105556061039 is an apocalyptic number.

105556061039 is a deficient number, since it is larger than the sum of its proper divisors (18481312561).

105556061039 is a wasteful number, since it uses less digits than its factorization.

105556061039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163450.

The product of its (nonzero) digits is 121500, while the sum is 41.

The spelling of 105556061039 in words is "one hundred five billion, five hundred fifty-six million, sixty-one thousand, thirty-nine".