2057725815191 has 2 divisors, whose sum is σ = 2057725815192. Its totient is φ = 2057725815190.

The previous prime is 2057725815179. The next prime is 2057725815203. The reversal of 2057725815191 is 1915185277502.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (2057725815179) and next prime (2057725815203).

It is a cyclic number.

It is not a de Polignac number, because 2057725815191 - 2²² = 2057721620887 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2057725865191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1028862907595 + 1028862907596.

It is an arithmetic number, because the mean of its divisors is an integer number (1028862907596).

Almost surely, 2^{2057725815191} is an apocalyptic number.

2057725815191 is a deficient number, since it is larger than the sum of its proper divisors (1).

2057725815191 is an equidigital number, since it uses as much as digits as its factorization.

2057725815191 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1764000, while the sum is 53.

The spelling of 2057725815191 in words is "two trillion, fifty-seven billion, seven hundred twenty-five million, eight hundred fifteen thousand, one hundred ninety-one".