25146878783743 has 2 divisors, whose sum is σ = 25146878783744. Its totient is φ = 25146878783742.

The previous prime is 25146878783683. The next prime is 25146878783771. The reversal of 25146878783743 is 34738787864152.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25146878783743 - 2¹⁷ = 25146878652671 is a prime.

It is a super-2 number, since 2×25146878783743² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25146878783773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12573439391871 + 12573439391872.

It is an arithmetic number, because the mean of its divisors is an integer number (12573439391872).

Almost surely, 2^{25146878783743} is an apocalyptic number.

25146878783743 is a deficient number, since it is larger than the sum of its proper divisors (1).

25146878783743 is an equidigital number, since it uses as much as digits as its factorization.

25146878783743 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1517322240, while the sum is 73.

The spelling of 25146878783743 in words is "twenty-five trillion, one hundred forty-six billion, eight hundred seventy-eight million, seven hundred eighty-three thousand, seven hundred forty-three".