25116120 has 48 divisors (see below), whose sum is σ = 81628560. Its totient is φ = 6697536.

The previous prime is 25116109. The next prime is 25116127. The reversal of 25116120 is 2161152.

25116120 is a `hidden beast` number, since 2 + 51 + 1 + 612 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 25116093 and 25116102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25116127) 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 11 ways as a sum of consecutive naturals, for example, 34524 + ... + 35243.

It is an arithmetic number, because the mean of its divisors is an integer number (1700595).

Almost surely, 2^25116120 is an apocalyptic number.

25116120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25116120 is an abundant number, since it is smaller than the sum of its proper divisors (56512440).

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

25116120 is a wasteful number, since it uses less digits than its factorization.

25116120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69784 (or 69777 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 25116120 is about 5011.5985473699. The cubic root of 25116120 is about 292.8537906191.

Adding to 25116120 its reverse (2161152), we get a palindrome (27277272).

The spelling of 25116120 in words is "twenty-five million, one hundred sixteen thousand, one hundred twenty".