1115020002991 has 2 divisors, whose sum is σ = 1115020002992. Its totient is φ = 1115020002990.

The previous prime is 1115020002977. The next prime is 1115020003057. The reversal of 1115020002991 is 1992000205111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1115020002991 - 2⁹ = 1115020002479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1115020002931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 557510001495 + 557510001496.

It is an arithmetic number, because the mean of its divisors is an integer number (557510001496).

Almost surely, 2^{1115020002991} is an apocalyptic number.

1115020002991 is a deficient number, since it is larger than the sum of its proper divisors (1).

1115020002991 is an equidigital number, since it uses as much as digits as its factorization.

1115020002991 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1620, while the sum is 31.

The spelling of 1115020002991 in words is "one trillion, one hundred fifteen billion, twenty million, two thousand, nine hundred ninety-one".