105060151165561 has 4 divisors (see below), whose sum is σ = 106143245507572. Its totient is φ = 103977056823552.

The previous prime is 105060151165537. The next prime is 105060151165577. The reversal of 105060151165561 is 165561151060501.

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 36217768334400 + 68842382831161 = 6018120^2 + 8297131^2 .

It is a cyclic number.

It is not a de Polignac number, because 105060151165561 - 2²⁵ = 105060117611129 is a prime.

It is a super-2 number, since 2×105060151165561² (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 (105060151165061) 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, 541547170860 + ... + 541547171053.

It is an arithmetic number, because the mean of its divisors is an integer number (26535811376893).

Almost surely, 2^{105060151165561} is an apocalyptic number.

It is an amenable number.

105060151165561 is a deficient number, since it is larger than the sum of its proper divisors (1083094342011).

105060151165561 is an equidigital number, since it uses as much as digits as its factorization.

105060151165561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1083094342010.

The product of its (nonzero) digits is 135000, while the sum is 43.

The spelling of 105060151165561 in words is "one hundred five trillion, sixty billion, one hundred fifty-one million, one hundred sixty-five thousand, five hundred sixty-one".