25574151060 has 168 divisors, whose sum is σ = 80766098280. Its totient is φ = 6799085568.

The previous prime is 25574151047. The next prime is 25574151079. The reversal of 25574151060 is 6015147552.

25574151060 is a `hidden beast` number, since 2 + 5 + 574 + 15 + 10 + 60 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 335109636 + 25239041424 = 18306^2 + 158868^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 5144256 + ... + 5149224.

It is an arithmetic number, because the mean of its divisors is an integer number (480750585).

Almost surely, 2^25574151060 is an apocalyptic number.

25574151060 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25574151060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40383049140).

25574151060 is an abundant number, since it is smaller than the sum of its proper divisors (55191947220).

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

25574151060 is a wasteful number, since it uses less digits than its factorization.

25574151060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5349 (or 5332 counting only the distinct ones).

The product of its (nonzero) digits is 42000, while the sum is 36.

The spelling of 25574151060 in words is "twenty-five billion, five hundred seventy-four million, one hundred fifty-one thousand, sixty".