1139256565297 has 8 divisors (see below), whose sum is σ = 1170066636032. Its totient is φ = 1108447513200.

The previous prime is 1139256565193. The next prime is 1139256565301. The reversal of 1139256565297 is 7925656529311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1139256565297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1139256565897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2374522 + ... + 2813692.

It is an arithmetic number, because the mean of its divisors is an integer number (146258329504).

Almost surely, 2^{1139256565297} is an apocalyptic number.

It is an amenable number.

1139256565297 is a deficient number, since it is larger than the sum of its proper divisors (30810070735).

1139256565297 is an equidigital number, since it uses as much as digits as its factorization.

1139256565297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 509319.

The product of its digits is 30618000, while the sum is 61.

The spelling of 1139256565297 in words is "one trillion, one hundred thirty-nine billion, two hundred fifty-six million, five hundred sixty-five thousand, two hundred ninety-seven".