1055315289599 has 4 divisors (see below), whose sum is σ = 1056735633936. Its totient is φ = 1053894945264.

The previous prime is 1055315289551. The next prime is 1055315289619. The reversal of 1055315289599 is 9959825135501.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1055315289599 - 2¹² = 1055315285503 is a prime.

It is a super-2 number, since 2×1055315289599² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1055315289529) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 710171054 + ... + 710172539.

It is an arithmetic number, because the mean of its divisors is an integer number (264183908484).

Almost surely, 2^{1055315289599} is an apocalyptic number.

1055315289599 is a deficient number, since it is larger than the sum of its proper divisors (1420344337).

1055315289599 is an equidigital number, since it uses as much as digits as its factorization.

1055315289599 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1420344336.

The product of its (nonzero) digits is 21870000, while the sum is 62.

The spelling of 1055315289599 in words is "one trillion, fifty-five billion, three hundred fifteen million, two hundred eighty-nine thousand, five hundred ninety-nine".