253211334454544 has 40 divisors (see below), whose sum is σ = 490691455801560. Its totient is φ = 126581283580928.

The previous prime is 253211334454499. The next prime is 253211334454571. The reversal of 253211334454544 is 445454433112352.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 37485153190144 + 215726181264400 = 6122512^2 + 14687620^2 .

It is a junction number, because it is equal to n+sod(n) for n = 253211334454492 and 253211334454501.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2214703172 + ... + 2214817500.

It is an arithmetic number, because the mean of its divisors is an integer number (12267286395039).

Almost surely, 2^{253211334454544} is an apocalyptic number.

It is an amenable number.

253211334454544 is a deficient number, since it is larger than the sum of its proper divisors (237480121347016).

253211334454544 is a wasteful number, since it uses less digits than its factorization.

253211334454544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139787 (or 139781 counting only the distinct ones).

The product of its digits is 13824000, while the sum is 50.

Adding to 253211334454544 its reverse (445454433112352), we get a palindrome (698665767566896).

The spelling of 253211334454544 in words is "two hundred fifty-three trillion, two hundred eleven billion, three hundred thirty-four million, four hundred fifty-four thousand, five hundred forty-four".