25546328853 has 16 divisors (see below), whose sum is σ = 34924978176. Its totient is φ = 16600898160.

The previous prime is 25546328789. The next prime is 25546328861. The reversal of 25546328853 is 35882364552.

It is not a de Polignac number, because 25546328853 - 2⁶ = 25546328789 is a prime.

It is a super-2 number, since 2×25546328853² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 25546328796 and 25546328805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25546320853) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 138325 + ... + 265002.

It is an arithmetic number, because the mean of its divisors is an integer number (2182811136).

Almost surely, 2^25546328853 is an apocalyptic number.

It is an amenable number.

25546328853 is a deficient number, since it is larger than the sum of its proper divisors (9378649323).

25546328853 is a wasteful number, since it uses less digits than its factorization.

25546328853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 403864.

The product of its digits is 6912000, while the sum is 51.

The spelling of 25546328853 in words is "twenty-five billion, five hundred forty-six million, three hundred twenty-eight thousand, eight hundred fifty-three".