25404053055331 has 4 divisors (see below), whose sum is σ = 25480802460664. Its totient is φ = 25327303650000.

The previous prime is 25404053055313. The next prime is 25404053055379. The reversal of 25404053055331 is 13355035040452.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 25404053055331 - 2³⁹ = 24854297241443 is a prime.

It is a super-2 number, since 2×25404053055331² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25404053055391) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38374702170 + ... + 38374702831.

It is an arithmetic number, because the mean of its divisors is an integer number (6370200615166).

Almost surely, 2^{25404053055331} is an apocalyptic number.

25404053055331 is a deficient number, since it is larger than the sum of its proper divisors (76749405333).

25404053055331 is an equidigital number, since it uses as much as digits as its factorization.

25404053055331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76749405332.

The product of its (nonzero) digits is 540000, while the sum is 40.

Adding to 25404053055331 its reverse (13355035040452), we get a palindrome (38759088095783).

The spelling of 25404053055331 in words is "twenty-five trillion, four hundred four billion, fifty-three million, fifty-five thousand, three hundred thirty-one".