25545243113355 has 16 divisors (see below), whose sum is σ = 46711301693184. Its totient is φ = 11677825423200.

The previous prime is 25545243113303. The next prime is 25545243113371. The reversal of 25545243113355 is 55331134254552.

It is not a de Polignac number, because 25545243113355 - 2⁷ = 25545243113227 is a prime.

It is a super-2 number, since 2×25545243113355² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 121644014721 + ... + 121644014930.

It is an arithmetic number, because the mean of its divisors is an integer number (2919456355824).

Almost surely, 2^{25545243113355} is an apocalyptic number.

25545243113355 is a deficient number, since it is larger than the sum of its proper divisors (21166058579829).

25545243113355 is a wasteful number, since it uses less digits than its factorization.

25545243113355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243288029666.

The product of its digits is 5400000, while the sum is 48.

The spelling of 25545243113355 in words is "twenty-five trillion, five hundred forty-five billion, two hundred forty-three million, one hundred thirteen thousand, three hundred fifty-five".