25502061060 has 240 divisors, whose sum is σ = 96242509440. Its totient is φ = 5522204160.

The previous prime is 25502061037. The next prime is 25502061073. The reversal of 25502061060 is 6016020552.

25502061060 is a `hidden beast` number, since 2 + 550 + 2 + 0 + 6 + 106 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 156280 + ... + 274640.

It is an arithmetic number, because the mean of its divisors is an integer number (401010456).

Almost surely, 2^25502061060 is an apocalyptic number.

25502061060 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 25502061060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48121254720).

25502061060 is an abundant number, since it is smaller than the sum of its proper divisors (70740448380).

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

25502061060 is a wasteful number, since it uses less digits than its factorization.

25502061060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118408 (or 118397 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The spelling of 25502061060 in words is "twenty-five billion, five hundred two million, sixty-one thousand, sixty".