25124414120 has 32 divisors (see below), whose sum is σ = 60878389320. Its totient is φ = 9276706560.

The previous prime is 25124414111. The next prime is 25124414129. The reversal of 25124414120 is 2141442152.

It is an interprime number because it is at equal distance from previous prime (25124414111) and next prime (25124414129).

It can be written as a sum of positive squares in 4 ways, for example, as 9647561284 + 15476852836 = 98222^2 + 124406^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a self number, because there is not a number n which added to its sum of digits gives 25124414120.

It is not an unprimeable number, because it can be changed into a prime (25124414129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24157571 + ... + 24158610.

Almost surely, 2^25124414120 is an apocalyptic number.

25124414120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25124414120 is an abundant number, since it is smaller than the sum of its proper divisors (35753975200).

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

25124414120 is a wasteful number, since it uses less digits than its factorization.

25124414120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48316205 (or 48316201 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 26.

Adding to 25124414120 its reverse (2141442152), we get a palindrome (27265856272).

The spelling of 25124414120 in words is "twenty-five billion, one hundred twenty-four million, four hundred fourteen thousand, one hundred twenty".