1311533325201 has 32 divisors (see below), whose sum is σ = 1924862810112. Its totient is φ = 787742530560.

The previous prime is 1311533325169. The next prime is 1311533325211. The reversal of 1311533325201 is 1025233351131.

It is not a de Polignac number, because 1311533325201 - 2⁵ = 1311533325169 is a prime.

It is a super-2 number, since 2×1311533325201² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1311533325211) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1283556 + ... + 2066538.

It is an arithmetic number, because the mean of its divisors is an integer number (60151962816).

Almost surely, 2^{1311533325201} is an apocalyptic number.

1311533325201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1311533325201 is a deficient number, since it is larger than the sum of its proper divisors (613329484911).

1311533325201 is a wasteful number, since it uses less digits than its factorization.

1311533325201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 783453.

The product of its (nonzero) digits is 8100, while the sum is 30.

Adding to 1311533325201 its reverse (1025233351131), we get a palindrome (2336766676332).

The spelling of 1311533325201 in words is "one trillion, three hundred eleven billion, five hundred thirty-three million, three hundred twenty-five thousand, two hundred one".