1055559657799 has 2 divisors, whose sum is σ = 1055559657800. Its totient is φ = 1055559657798.

The previous prime is 1055559657767. The next prime is 1055559657899. The reversal of 1055559657799 is 9977569555501.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1055559657799 - 2⁵ = 1055559657767 is a prime.

It is a super-3 number, since 3×1055559657799³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1055559657599) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 527779828899 + 527779828900.

It is an arithmetic number, because the mean of its divisors is an integer number (527779828900).

Almost surely, 2^{1055559657799} is an apocalyptic number.

1055559657799 is a deficient number, since it is larger than the sum of its proper divisors (1).

1055559657799 is an equidigital number, since it uses as much as digits as its factorization.

1055559657799 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 669768750, while the sum is 73.

The spelling of 1055559657799 in words is "one trillion, fifty-five billion, five hundred fifty-nine million, six hundred fifty-seven thousand, seven hundred ninety-nine".