1057298054399 has 4 divisors (see below), whose sum is σ = 1112945320440. Its totient is φ = 1001650788360.

The previous prime is 1057298054389. The next prime is 1057298054401. The reversal of 1057298054399 is 9934508927501.

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 1057298054399 - 2²⁴ = 1057281277183 is a prime.

It is a super-2 number, since 2×1057298054399² (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 (1057298054369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27823632992 + ... + 27823633029.

It is an arithmetic number, because the mean of its divisors is an integer number (278236330110).

Almost surely, 2^{1057298054399} is an apocalyptic number.

1057298054399 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

1057298054399 is a deficient number, since it is larger than the sum of its proper divisors (55647266041).

1057298054399 is an equidigital number, since it uses as much as digits as its factorization.

1057298054399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55647266040.

The product of its (nonzero) digits is 24494400, while the sum is 62.

The spelling of 1057298054399 in words is "one trillion, fifty-seven billion, two hundred ninety-eight million, fifty-four thousand, three hundred ninety-nine".