25145434432252 has 12 divisors (see below), whose sum is σ = 45917749832976. Its totient is φ = 12026077337120.

The previous prime is 25145434432241. The next prime is 25145434432267. The reversal of 25145434432252 is 25223443454152.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 136659969649 + ... + 136659969832.

It is an arithmetic number, because the mean of its divisors is an integer number (3826479152748).

Almost surely, 2^{25145434432252} is an apocalyptic number.

It is an amenable number.

25145434432252 is a deficient number, since it is larger than the sum of its proper divisors (20772315400724).

25145434432252 is a wasteful number, since it uses less digits than its factorization.

25145434432252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273319939508 (or 273319939506 counting only the distinct ones).

The product of its digits is 4608000, while the sum is 46.

The spelling of 25145434432252 in words is "twenty-five trillion, one hundred forty-five billion, four hundred thirty-four million, four hundred thirty-two thousand, two hundred fifty-two".