25151144320 has 32 divisors (see below), whose sum is σ = 60126955920. Its totient is φ = 10060457472.

The previous prime is 25151144311. The next prime is 25151144321. The reversal of 25151144320 is 2344115152.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25151144321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19648692 + ... + 19649971.

Almost surely, 2^25151144320 is an apocalyptic number.

25151144320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25151144320 is an abundant number, since it is smaller than the sum of its proper divisors (34975811600).

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

25151144320 is an equidigital number, since it uses as much as digits as its factorization.

25151144320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39298682 (or 39298670 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 28.

Adding to 25151144320 its reverse (2344115152), we get a palindrome (27495259472).

The spelling of 25151144320 in words is "twenty-five billion, one hundred fifty-one million, one hundred forty-four thousand, three hundred twenty".