15494853425 has 24 divisors (see below), whose sum is σ = 19684599480. Its totient is φ = 12094617600.

The previous prime is 15494853397. The next prime is 15494853443. The reversal of 15494853425 is 52435849451.

15494853425 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 12 ways, for example, as 5025675664 + 10469177761 = 70892^2 + 102319^2 .

It is not a de Polignac number, because 15494853425 - 2²⁴ = 15478076209 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 207521 + ... + 272129.

It is an arithmetic number, because the mean of its divisors is an integer number (820191645).

Almost surely, 2^15494853425 is an apocalyptic number.

It is an amenable number.

15494853425 is a deficient number, since it is larger than the sum of its proper divisors (4189746055).

15494853425 is a wasteful number, since it uses less digits than its factorization.

15494853425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64853 (or 64848 counting only the distinct ones).

The product of its digits is 3456000, while the sum is 50.

The spelling of 15494853425 in words is "fifteen billion, four hundred ninety-four million, eight hundred fifty-three thousand, four hundred twenty-five".