25040136506023 has 2 divisors, whose sum is σ = 25040136506024. Its totient is φ = 25040136506022.

The previous prime is 25040136506017. The next prime is 25040136506059. The reversal of 25040136506023 is 32060563104052.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25040136506023 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25040136506423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12520068253011 + 12520068253012.

It is an arithmetic number, because the mean of its divisors is an integer number (12520068253012).

Almost surely, 2^{25040136506023} is an apocalyptic number.

25040136506023 is a deficient number, since it is larger than the sum of its proper divisors (1).

25040136506023 is an equidigital number, since it uses as much as digits as its factorization.

25040136506023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 129600, while the sum is 37.

The spelling of 25040136506023 in words is "twenty-five trillion, forty billion, one hundred thirty-six million, five hundred six thousand, twenty-three".