5551610165099 has 2 divisors, whose sum is σ = 5551610165100. Its totient is φ = 5551610165098.

The previous prime is 5551610165083. The next prime is 5551610165111. The reversal of 5551610165099 is 9905610161555.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5551610165099 - 2⁴ = 5551610165083 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5551610165099.

It is not a weakly prime, because it can be changed into another prime (5551610165009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2775805082549 + 2775805082550.

It is an arithmetic number, because the mean of its divisors is an integer number (2775805082550).

Almost surely, 2^{5551610165099} is an apocalyptic number.

5551610165099 is a deficient number, since it is larger than the sum of its proper divisors (1).

5551610165099 is an equidigital number, since it uses as much as digits as its factorization.

5551610165099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1822500, while the sum is 53.

The spelling of 5551610165099 in words is "five trillion, five hundred fifty-one billion, six hundred ten million, one hundred sixty-five thousand, ninety-nine".