2085751127497 has 2 divisors, whose sum is σ = 2085751127498. Its totient is φ = 2085751127496.

The previous prime is 2085751127491. The next prime is 2085751127507. The reversal of 2085751127497 is 7947211575802.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1760918384016 + 324832743481 = 1326996^2 + 569941^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2085751127497 is a prime.

It is not a weakly prime, because it can be changed into another prime (2085751127491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1042875563748 + 1042875563749.

It is an arithmetic number, because the mean of its divisors is an integer number (1042875563749).

Almost surely, 2^{2085751127497} is an apocalyptic number.

It is an amenable number.

2085751127497 is a deficient number, since it is larger than the sum of its proper divisors (1).

2085751127497 is an equidigital number, since it uses as much as digits as its factorization.

2085751127497 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9878400, while the sum is 58.

The spelling of 2085751127497 in words is "two trillion, eighty-five billion, seven hundred fifty-one million, one hundred twenty-seven thousand, four hundred ninety-seven".