36255249457821 has 12 divisors (see below), whose sum is σ = 55449205053372. Its totient is φ = 22748391816576.

The previous prime is 36255249457807. The next prime is 36255249457859. The reversal of 36255249457821 is 12875494255263.

36255249457821 is a `hidden beast` number, since 3 + 6 + 2 + 5 + 52 + 4 + 9 + 4 + 578 + 2 + 1 = 666.

36255249457821 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 23854188605625 + 12401060852196 = 4884075^2 + 3521514^2 .

It is not a de Polignac number, because 36255249457821 - 2⁹ = 36255249457309 is a prime.

It is a super-2 number, since 2×36255249457821² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36255249450821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 118481207226 + ... + 118481207531.

It is an arithmetic number, because the mean of its divisors is an integer number (4620767087781).

Almost surely, 2^{36255249457821} is an apocalyptic number.

It is an amenable number.

36255249457821 is a deficient number, since it is larger than the sum of its proper divisors (19193955595551).

36255249457821 is a wasteful number, since it uses less digits than its factorization.

36255249457821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236962414780 (or 236962414777 counting only the distinct ones).

The product of its digits is 145152000, while the sum is 63.

The spelling of 36255249457821 in words is "thirty-six trillion, two hundred fifty-five billion, two hundred forty-nine million, four hundred fifty-seven thousand, eight hundred twenty-one".