1279754990411 has 2 divisors, whose sum is σ = 1279754990412. Its totient is φ = 1279754990410.

The previous prime is 1279754990399. The next prime is 1279754990413. The reversal of 1279754990411 is 1140994579721.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1279754990411 - 2¹⁸ = 1279754728267 is a prime.

Together with 1279754990413, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1279754990413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 639877495205 + 639877495206.

It is an arithmetic number, because the mean of its divisors is an integer number (639877495206).

Almost surely, 2^{1279754990411} is an apocalyptic number.

1279754990411 is a deficient number, since it is larger than the sum of its proper divisors (1).

1279754990411 is an equidigital number, since it uses as much as digits as its factorization.

1279754990411 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5715360, while the sum is 59.

The spelling of 1279754990411 in words is "one trillion, two hundred seventy-nine billion, seven hundred fifty-four million, nine hundred ninety thousand, four hundred eleven".