10256245151591 has 2 divisors, whose sum is σ = 10256245151592. Its totient is φ = 10256245151590.

The previous prime is 10256245151501. The next prime is 10256245151617. The reversal of 10256245151591 is 19515154265201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10256245151591 - 2⁴² = 5858198640487 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10256245151501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5128122575795 + 5128122575796.

It is an arithmetic number, because the mean of its divisors is an integer number (5128122575796).

Almost surely, 2^{10256245151591} is an apocalyptic number.

10256245151591 is a deficient number, since it is larger than the sum of its proper divisors (1).

10256245151591 is an equidigital number, since it uses as much as digits as its factorization.

10256245151591 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 540000, while the sum is 47.

The spelling of 10256245151591 in words is "ten trillion, two hundred fifty-six billion, two hundred forty-five million, one hundred fifty-one thousand, five hundred ninety-one".