25720077121353 has 48 divisors (see below), whose sum is σ = 39508819459200. Its totient is φ = 16715267775360.

The previous prime is 25720077121313. The next prime is 25720077121369. The reversal of 25720077121353 is 35312177002752.

25720077121353 is a `hidden beast` number, since 2 + 5 + 7 + 200 + 7 + 71 + 21 + 353 = 666.

It is not a de Polignac number, because 25720077121353 - 2¹⁶ = 25720077055817 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25720077121299 and 25720077121308.

It is not an unprimeable number, because it can be changed into a prime (25720077121313) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6839538 + ... + 9910571.

It is an arithmetic number, because the mean of its divisors is an integer number (823100405400).

Almost surely, 2^{25720077121353} is an apocalyptic number.

It is an amenable number.

25720077121353 is a deficient number, since it is larger than the sum of its proper divisors (13788742337847).

25720077121353 is an equidigital number, since it uses as much as digits as its factorization.

25720077121353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16750284 (or 16750272 counting only the distinct ones).

The product of its (nonzero) digits is 617400, while the sum is 45.

The spelling of 25720077121353 in words is "twenty-five trillion, seven hundred twenty billion, seventy-seven million, one hundred twenty-one thousand, three hundred fifty-three".