25126526387741 has 2 divisors, whose sum is σ = 25126526387742. Its totient is φ = 25126526387740.

The previous prime is 25126526387737. The next prime is 25126526387777. The reversal of 25126526387741 is 14778362562152.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16865765172025 + 8260761215716 = 4106795^2 + 2874154^2 .

It is a cyclic number.

It is not a de Polignac number, because 25126526387741 - 2² = 25126526387737 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25126526387791) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12563263193870 + 12563263193871.

It is an arithmetic number, because the mean of its divisors is an integer number (12563263193871).

Almost surely, 2^{25126526387741} is an apocalyptic number.

It is an amenable number.

25126526387741 is a deficient number, since it is larger than the sum of its proper divisors (1).

25126526387741 is an equidigital number, since it uses as much as digits as its factorization.

25126526387741 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 33868800, while the sum is 59.

The spelling of 25126526387741 in words is "twenty-five trillion, one hundred twenty-six billion, five hundred twenty-six million, three hundred eighty-seven thousand, seven hundred forty-one".