11513020545331 has 2 divisors, whose sum is σ = 11513020545332. Its totient is φ = 11513020545330.

The previous prime is 11513020545277. The next prime is 11513020545473. The reversal of 11513020545331 is 13354502031511.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11513020545331 - 2¹⁹ = 11513020021043 is a prime.

It is a super-2 number, since 2×11513020545331² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11513020540331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5756510272665 + 5756510272666.

It is an arithmetic number, because the mean of its divisors is an integer number (5756510272666).

Almost surely, 2^{11513020545331} is an apocalyptic number.

11513020545331 is a deficient number, since it is larger than the sum of its proper divisors (1).

11513020545331 is an equidigital number, since it uses as much as digits as its factorization.

11513020545331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27000, while the sum is 34.

Adding to 11513020545331 its reverse (13354502031511), we get a palindrome (24867522576842).

The spelling of 11513020545331 in words is "eleven trillion, five hundred thirteen billion, twenty million, five hundred forty-five thousand, three hundred thirty-one".