25763571136653 has 32 divisors (see below), whose sum is σ = 43375424126976. Its totient is φ = 13253601808128.

The previous prime is 25763571136643. The next prime is 25763571136669. The reversal of 25763571136653 is 35663117536752.

It is not a de Polignac number, because 25763571136653 - 2⁸ = 25763571136397 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25763571136643) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1568836701 + ... + 1568853122.

It is an arithmetic number, because the mean of its divisors is an integer number (1355482003968).

Almost surely, 2^{25763571136653} is an apocalyptic number.

25763571136653 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

25763571136653 is a deficient number, since it is larger than the sum of its proper divisors (17611852990323).

25763571136653 is a wasteful number, since it uses less digits than its factorization.

25763571136653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3137689873.

The product of its digits is 71442000, while the sum is 60.

The spelling of 25763571136653 in words is "twenty-five trillion, seven hundred sixty-three billion, five hundred seventy-one million, one hundred thirty-six thousand, six hundred fifty-three".