1139337260821 has 2 divisors, whose sum is σ = 1139337260822. Its totient is φ = 1139337260820.

The previous prime is 1139337260777. The next prime is 1139337260833. The reversal of 1139337260821 is 1280627339311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 774243367921 + 365093892900 = 879911^2 + 604230^2 .

It is a cyclic number.

It is not a de Polignac number, because 1139337260821 - 2⁷ = 1139337260693 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1139337260861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 569668630410 + 569668630411.

It is an arithmetic number, because the mean of its divisors is an integer number (569668630411).

Almost surely, 2^{1139337260821} is an apocalyptic number.

It is an amenable number.

1139337260821 is a deficient number, since it is larger than the sum of its proper divisors (1).

1139337260821 is an equidigital number, since it uses as much as digits as its factorization.

1139337260821 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 326592, while the sum is 46.

The spelling of 1139337260821 in words is "one trillion, one hundred thirty-nine billion, three hundred thirty-seven million, two hundred sixty thousand, eight hundred twenty-one".