1139566308457 has 2 divisors, whose sum is σ = 1139566308458. Its totient is φ = 1139566308456.

The previous prime is 1139566308449. The next prime is 1139566308467. The reversal of 1139566308457 is 7548036659311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1137851023401 + 1715285056 = 1066701^2 + 41416^2 .

It is a cyclic number.

It is not a de Polignac number, because 1139566308457 - 2³ = 1139566308449 is a prime.

It is a super-2 number, since 2×1139566308457² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1139566308467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 569783154228 + 569783154229.

It is an arithmetic number, because the mean of its divisors is an integer number (569783154229).

Almost surely, 2^{1139566308457} is an apocalyptic number.

It is an amenable number.

1139566308457 is a deficient number, since it is larger than the sum of its proper divisors (1).

1139566308457 is an equidigital number, since it uses as much as digits as its factorization.

1139566308457 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16329600, while the sum is 58.

The spelling of 1139566308457 in words is "one trillion, one hundred thirty-nine billion, five hundred sixty-six million, three hundred eight thousand, four hundred fifty-seven".