25087510980 has 216 divisors, whose sum is σ = 93730874328. Its totient is φ = 5396944896.

The previous prime is 25087510979. The next prime is 25087510991. The reversal of 25087510980 is 8901578052.

It is a happy number.

25087510980 is a `hidden beast` number, since 2 + 50 + 8 + 7 + 510 + 9 + 80 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 14097762756 + 10989748224 = 118734^2 + 104832^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 66282 + ... + 233598.

It is an arithmetic number, because the mean of its divisors is an integer number (433939233).

Almost surely, 2^25087510980 is an apocalyptic number.

25087510980 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 25087510980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46865437164).

25087510980 is an abundant number, since it is smaller than the sum of its proper divisors (68643363348).

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

25087510980 is a wasteful number, since it uses less digits than its factorization.

25087510980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167363 (or 167351 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 45.

The spelling of 25087510980 in words is "twenty-five billion, eighty-seven million, five hundred ten thousand, nine hundred eighty".