2115357791 has 2 divisors, whose sum is σ = 2115357792. Its totient is φ = 2115357790.

The previous prime is 2115357767. The next prime is 2115357809. The reversal of 2115357791 is 1977535112.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2115357791 - 2¹⁴ = 2115341407 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2115357091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1057678895 + 1057678896.

It is an arithmetic number, because the mean of its divisors is an integer number (1057678896).

Almost surely, 2^2115357791 is an apocalyptic number.

2115357791 is a deficient number, since it is larger than the sum of its proper divisors (1).

2115357791 is an equidigital number, since it uses as much as digits as its factorization.

2115357791 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 66150, while the sum is 41.

The square root of 2115357791 is about 45993.0189376605. The cubic root of 2115357791 is about 1283.6933107364.

The spelling of 2115357791 in words is "two billion, one hundred fifteen million, three hundred fifty-seven thousand, seven hundred ninety-one".