1579242010991 has 2 divisors, whose sum is σ = 1579242010992. Its totient is φ = 1579242010990.

The previous prime is 1579242010937. The next prime is 1579242011003. The reversal of 1579242010991 is 1990102429751.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1579242010991 - 2³⁸ = 1304364104047 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1579242010091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 789621005495 + 789621005496.

It is an arithmetic number, because the mean of its divisors is an integer number (789621005496).

Almost surely, 2^{1579242010991} is an apocalyptic number.

1579242010991 is a deficient number, since it is larger than the sum of its proper divisors (1).

1579242010991 is an equidigital number, since it uses as much as digits as its factorization.

1579242010991 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 408240, while the sum is 50.

The spelling of 1579242010991 in words is "one trillion, five hundred seventy-nine billion, two hundred forty-two million, ten thousand, nine hundred ninety-one".