1002251051279 has 2 divisors, whose sum is σ = 1002251051280. Its totient is φ = 1002251051278.

The previous prime is 1002251051147. The next prime is 1002251051309. The reversal of 1002251051279 is 9721501522001.

1002251051279 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (9721501522001) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1002251051279 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1002251051779) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 501125525639 + 501125525640.

It is an arithmetic number, because the mean of its divisors is an integer number (501125525640).

Almost surely, 2^{1002251051279} is an apocalyptic number.

1002251051279 is a deficient number, since it is larger than the sum of its proper divisors (1).

1002251051279 is an equidigital number, since it uses as much as digits as its factorization.

1002251051279 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12600, while the sum is 35.

The spelling of 1002251051279 in words is "one trillion, two billion, two hundred fifty-one million, fifty-one thousand, two hundred seventy-nine".