25486155016 has 16 divisors (see below), whose sum is σ = 54613189440. Its totient is φ = 10922637840.

The previous prime is 25486155007. The next prime is 25486155029. The reversal of 25486155016 is 61055168452.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 227554900 + ... + 227555011.

It is an arithmetic number, because the mean of its divisors is an integer number (3413324340).

Almost surely, 2^25486155016 is an apocalyptic number.

It is an amenable number.

25486155016 is an abundant number, since it is smaller than the sum of its proper divisors (29127034424).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25486155016 is a wasteful number, since it uses less digits than its factorization.

25486155016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 455109924 (or 455109920 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 43.

The spelling of 25486155016 in words is "twenty-five billion, four hundred eighty-six million, one hundred fifty-five thousand, sixteen".