1253524313211 has 4 divisors (see below), whose sum is σ = 1671365750952. Its totient is φ = 835682875472.

The previous prime is 1253524313201. The next prime is 1253524313257. The reversal of 1253524313211 is 1123134253521.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1253524313211 - 2⁹ = 1253524312699 is a prime.

It is a super-2 number, since 2×1253524313211² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1253524313201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 208920718866 + ... + 208920718871.

It is an arithmetic number, because the mean of its divisors is an integer number (417841437738).

Almost surely, 2^{1253524313211} is an apocalyptic number.

1253524313211 is a deficient number, since it is larger than the sum of its proper divisors (417841437741).

1253524313211 is an equidigital number, since it uses as much as digits as its factorization.

1253524313211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 417841437740.

The product of its digits is 21600, while the sum is 33.

Adding to 1253524313211 its reverse (1123134253521), we get a palindrome (2376658566732).

The spelling of 1253524313211 in words is "one trillion, two hundred fifty-three billion, five hundred twenty-four million, three hundred thirteen thousand, two hundred eleven".