105560557099 has 2 divisors, whose sum is σ = 105560557100. Its totient is φ = 105560557098.

The previous prime is 105560557021. The next prime is 105560557133. The reversal of 105560557099 is 990755065501.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 105560557099 - 2¹⁵ = 105560524331 is a prime.

It is a super-2 number, since 2×105560557099² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (105560551099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52780278549 + 52780278550.

It is an arithmetic number, because the mean of its divisors is an integer number (52780278550).

Almost surely, 2^105560557099 is an apocalyptic number.

105560557099 is a deficient number, since it is larger than the sum of its proper divisors (1).

105560557099 is an equidigital number, since it uses as much as digits as its factorization.

105560557099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2126250, while the sum is 52.

The spelling of 105560557099 in words is "one hundred five billion, five hundred sixty million, five hundred fifty-seven thousand, ninety-nine".