25230512043 has 40 divisors (see below), whose sum is σ = 41132052720. Its totient is φ = 15285395520.

The previous prime is 25230512033. The next prime is 25230512051. The reversal of 25230512043 is 34021503252.

It is a happy number.

It is not a de Polignac number, because 25230512043 - 2⁶ = 25230511979 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 25230511998 and 25230512016.

It is not an unprimeable number, because it can be changed into a prime (25230512003) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 4021513 + ... + 4027781.

It is an arithmetic number, because the mean of its divisors is an integer number (1028301318).

Almost surely, 2^25230512043 is an apocalyptic number.

25230512043 is a deficient number, since it is larger than the sum of its proper divisors (15901540677).

25230512043 is a wasteful number, since it uses less digits than its factorization.

25230512043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10809 (or 10800 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The spelling of 25230512043 in words is "twenty-five billion, two hundred thirty million, five hundred twelve thousand, forty-three".