105060000610561 has 4 divisors (see below), whose sum is σ = 105060050654724. Its totient is φ = 105059950566400.

The previous prime is 105060000610549. The next prime is 105060000610567. The reversal of 105060000610561 is 165016000060501.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4503227770561 + 100556772840000 = 2122081^2 + 10027800^2 .

It is a cyclic number.

It is not a de Polignac number, because 105060000610561 - 2²³ = 105059992221953 is a prime.

It is a super-2 number, since 2×105060000610561² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105060000610567) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21728560 + ... + 26119921.

It is an arithmetic number, because the mean of its divisors is an integer number (26265012663681).

Almost surely, 2^{105060000610561} is an apocalyptic number.

It is an amenable number.

105060000610561 is a deficient number, since it is larger than the sum of its proper divisors (50044163).

105060000610561 is an equidigital number, since it uses as much as digits as its factorization.

105060000610561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50044162.

The product of its (nonzero) digits is 5400, while the sum is 31.

The spelling of 105060000610561 in words is "one hundred five trillion, sixty billion, six hundred ten thousand, five hundred sixty-one".