1139948055329 has 2 divisors, whose sum is σ = 1139948055330. Its totient is φ = 1139948055328.

The previous prime is 1139948055319. The next prime is 1139948055341. The reversal of 1139948055329 is 9235508499311.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 970368815329 + 169579240000 = 985073^2 + 411800^2 .

It is a cyclic number.

It is not a de Polignac number, because 1139948055329 - 2⁸ = 1139948055073 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1139948055319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 569974027664 + 569974027665.

It is an arithmetic number, because the mean of its divisors is an integer number (569974027665).

Almost surely, 2^{1139948055329} is an apocalyptic number.

It is an amenable number.

1139948055329 is a deficient number, since it is larger than the sum of its proper divisors (1).

1139948055329 is an equidigital number, since it uses as much as digits as its factorization.

1139948055329 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10497600, while the sum is 59.

The spelling of 1139948055329 in words is "one trillion, one hundred thirty-nine billion, nine hundred forty-eight million, fifty-five thousand, three hundred twenty-nine".