25045143512 has 32 divisors (see below), whose sum is σ = 52338927600. Its totient is φ = 11165635584.

The previous prime is 25045143491. The next prime is 25045143533. The reversal of 25045143512 is 21534154052.

It is an interprime number because it is at equal distance from previous prime (25045143491) and next prime (25045143533).

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, 4843613 + ... + 4848780.

Almost surely, 2^25045143512 is an apocalyptic number.

It is an amenable number.

25045143512 is an abundant number, since it is smaller than the sum of its proper divisors (27293784088).

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

25045143512 is a wasteful number, since it uses less digits than its factorization.

25045143512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9692435 (or 9692431 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 32.

Adding to 25045143512 its reverse (21534154052), we get a palindrome (46579297564).

The spelling of 25045143512 in words is "twenty-five billion, forty-five million, one hundred forty-three thousand, five hundred twelve".