25053320512 has 56 divisors (see below), whose sum is σ = 57425051520. Its totient is φ = 10717992960.

The previous prime is 25053320503. The next prime is 25053320689. The reversal of 25053320512 is 21502335052.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1034712 + ... + 1058647.

Almost surely, 2^25053320512 is an apocalyptic number.

25053320512 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

25053320512 is an abundant number, since it is smaller than the sum of its proper divisors (32371731008).

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

25053320512 is a wasteful number, since it uses less digits than its factorization.

25053320512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2093399 (or 2093389 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 28.

Adding to 25053320512 its reverse (21502335052), we get a palindrome (46555655564).

The spelling of 25053320512 in words is "twenty-five billion, fifty-three million, three hundred twenty thousand, five hundred twelve".