105560551099 has 2 divisors, whose sum is σ = 105560551100. Its totient is φ = 105560551098.

The previous prime is 105560551093. The next prime is 105560551147. The reversal of 105560551099 is 990155065501.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 105560551099 - 2¹³ = 105560542907 is a prime.

It is a super-2 number, since 2×105560551099² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (105560551093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52780275549 + 52780275550.

It is an arithmetic number, because the mean of its divisors is an integer number (52780275550).

Almost surely, 2^105560551099 is an apocalyptic number.

105560551099 is a deficient number, since it is larger than the sum of its proper divisors (1).

105560551099 is an equidigital number, since it uses as much as digits as its factorization.

105560551099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 303750, while the sum is 46.

It can be divided in two parts, 1055605 and 51099, that added together give a square (1106704 = 1052²).

The spelling of 105560551099 in words is "one hundred five billion, five hundred sixty million, five hundred fifty-one thousand, ninety-nine".