25052243120 has 80 divisors (see below), whose sum is σ = 63177081408. Its totient is φ = 9201377280.

The previous prime is 25052242993. The next prime is 25052243143. The reversal of 25052243120 is 2134225052.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×25052243120² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 25052243120.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 168884 + ... + 280403.

Almost surely, 2^25052243120 is an apocalyptic number.

25052243120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25052243120 is an abundant number, since it is smaller than the sum of its proper divisors (38124838288).

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

25052243120 is a wasteful number, since it uses less digits than its factorization.

25052243120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449358 (or 449352 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

Adding to 25052243120 its reverse (2134225052), we get a palindrome (27186468172).

The spelling of 25052243120 in words is "twenty-five billion, fifty-two million, two hundred forty-three thousand, one hundred twenty".