25572423723853 has 2 divisors, whose sum is σ = 25572423723854. Its totient is φ = 25572423723852.

The previous prime is 25572423723779. The next prime is 25572423723877. The reversal of 25572423723853 is 35832732427552.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24556365771844 + 1016057952009 = 4955438^2 + 1007997^2 .

It is a cyclic number.

It is not a de Polignac number, because 25572423723853 - 2¹³ = 25572423715661 is a prime.

It is a super-2 number, since 2×25572423723853² (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 (25572423723053) 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, 12786211861926 + 12786211861927.

It is an arithmetic number, because the mean of its divisors is an integer number (12786211861927).

Almost surely, 2^{25572423723853} is an apocalyptic number.

It is an amenable number.

25572423723853 is a deficient number, since it is larger than the sum of its proper divisors (1).

25572423723853 is an equidigital number, since it uses as much as digits as its factorization.

25572423723853 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 84672000, while the sum is 58.

The spelling of 25572423723853 in words is "twenty-five trillion, five hundred seventy-two billion, four hundred twenty-three million, seven hundred twenty-three thousand, eight hundred fifty-three".