25166315080 has 16 divisors (see below), whose sum is σ = 56624209020. Its totient is φ = 10066526016.

The previous prime is 25166315077. The next prime is 25166315087. The reversal of 25166315080 is 8051366152.

It can be written as a sum of positive squares in 2 ways, for example, as 25107670116 + 58644964 = 158454^2 + 7658^2 .

It is not an unprimeable number, because it can be changed into a prime (25166315087) 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, 314578899 + ... + 314578978.

Almost surely, 2^25166315080 is an apocalyptic number.

25166315080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25166315080 is an abundant number, since it is smaller than the sum of its proper divisors (31457893940).

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

25166315080 is a wasteful number, since it uses less digits than its factorization.

25166315080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 629157888 (or 629157884 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 37.

The spelling of 25166315080 in words is "twenty-five billion, one hundred sixty-six million, three hundred fifteen thousand, eighty".