15255420436 has 12 divisors (see below), whose sum is σ = 26711131860. Its totient is φ = 7623668480.

The previous prime is 15255420409. The next prime is 15255420437. The reversal of 15255420436 is 63402455251.

15255420436 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 2 ways, for example, as 10286016400 + 4969404036 = 101420^2 + 70494^2 .

It is a junction number, because it is equal to n+sod(n) for n = 15255420395 and 15255420404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15255420437) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1001935 + ... + 1017046.

It is an arithmetic number, because the mean of its divisors is an integer number (2225927655).

Almost surely, 2^15255420436 is an apocalyptic number.

It is an amenable number.

15255420436 is a deficient number, since it is larger than the sum of its proper divisors (11455711424).

15255420436 is a wasteful number, since it uses less digits than its factorization.

15255420436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2020874 (or 2020872 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 37.

Adding to 15255420436 its reverse (63402455251), we get a palindrome (78657875687).

The spelling of 15255420436 in words is "fifteen billion, two hundred fifty-five million, four hundred twenty thousand, four hundred thirty-six".