25485134112 has 768 divisors, whose sum is σ = 88833024000. Its totient is φ = 7050903552.

The previous prime is 25485134099. The next prime is 25485134123. The reversal of 25485134112 is 21143158452.

25485134112 is a `hidden beast` number, since 25 + 4 + 8 + 513 + 4 + 112 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 380375103 + ... + 380375169.

It is an arithmetic number, because the mean of its divisors is an integer number (115668000).

Almost surely, 2^25485134112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25485134112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44416512000).

25485134112 is an abundant number, since it is smaller than the sum of its proper divisors (63347889888).

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

25485134112 is a wasteful number, since it uses less digits than its factorization.

25485134112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198 (or 184 counting only the distinct ones).

The product of its digits is 38400, while the sum is 36.

The spelling of 25485134112 in words is "twenty-five billion, four hundred eighty-five million, one hundred thirty-four thousand, one hundred twelve".