25175452092 has 96 divisors (see below), whose sum is σ = 67569610752. Its totient is φ = 7146510336.

The previous prime is 25175452087. The next prime is 25175452151. The reversal of 25175452092 is 29025457152.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12605638 + ... + 12607634.

It is an arithmetic number, because the mean of its divisors is an integer number (703850112).

Almost surely, 2^25175452092 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 25175452092, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33784805376).

25175452092 is an abundant number, since it is smaller than the sum of its proper divisors (42394158660).

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

25175452092 is a wasteful number, since it uses less digits than its factorization.

25175452092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2907 (or 2905 counting only the distinct ones).

The product of its (nonzero) digits is 252000, while the sum is 42.

The spelling of 25175452092 in words is "twenty-five billion, one hundred seventy-five million, four hundred fifty-two thousand, ninety-two".