1205792870399 has 4 divisors (see below), whose sum is σ = 1298546168136. Its totient is φ = 1113039572664.

The previous prime is 1205792870383. The next prime is 1205792870437. The reversal of 1205792870399 is 9930782975021.

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 1205792870399 - 2⁴ = 1205792870383 is a prime.

It is a super-2 number, since 2×1205792870399² (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 (1205792870309) 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, 46376648849 + ... + 46376648874.

It is an arithmetic number, because the mean of its divisors is an integer number (324636542034).

Almost surely, 2^{1205792870399} is an apocalyptic number.

1205792870399 is a deficient number, since it is larger than the sum of its proper divisors (92753297737).

1205792870399 is an equidigital number, since it uses as much as digits as its factorization.

1205792870399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92753297736.

The product of its (nonzero) digits is 17146080, while the sum is 62.

The spelling of 1205792870399 in words is "one trillion, two hundred five billion, seven hundred ninety-two million, eight hundred seventy thousand, three hundred ninety-nine".