55561010600099 has 2 divisors, whose sum is σ = 55561010600100. Its totient is φ = 55561010600098.

The previous prime is 55561010600093. The next prime is 55561010600119. The reversal of 55561010600099 is 99000601016555.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55561010600099 is a prime.

It is not a weakly prime, because it can be changed into another prime (55561010600093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27780505300049 + 27780505300050.

It is an arithmetic number, because the mean of its divisors is an integer number (27780505300050).

Almost surely, 2^{55561010600099} is an apocalyptic number.

55561010600099 is a deficient number, since it is larger than the sum of its proper divisors (1).

55561010600099 is an equidigital number, since it uses as much as digits as its factorization.

55561010600099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 364500, while the sum is 47.

The spelling of 55561010600099 in words is "fifty-five trillion, five hundred sixty-one billion, ten million, six hundred thousand, ninety-nine".