25125045354 has 48 divisors (see below), whose sum is σ = 56321051904. Its totient is φ = 8086478400.

The previous prime is 25125045353. The next prime is 25125045373. The reversal of 25125045354 is 45354052152.

25125045354 is a `hidden beast` number, since 2 + 51 + 2 + 504 + 53 + 54 = 666.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (25125045353) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 196374 + ... + 298014.

It is an arithmetic number, because the mean of its divisors is an integer number (1173355248).

Almost surely, 2^25125045354 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25125045354, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28160525952).

25125045354 is an abundant number, since it is smaller than the sum of its proper divisors (31196006550).

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

25125045354 is a wasteful number, since it uses less digits than its factorization.

25125045354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102123 (or 102120 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 36.

The spelling of 25125045354 in words is "twenty-five billion, one hundred twenty-five million, forty-five thousand, three hundred fifty-four".