13530540511 has 2 divisors, whose sum is σ = 13530540512. Its totient is φ = 13530540510.

The previous prime is 13530540497. The next prime is 13530540523. The reversal of 13530540511 is 11504503531.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13530540511 - 2⁷ = 13530540383 is a prime.

It is a super-2 number, since 2×13530540511² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13530540511.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13530540571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6765270255 + 6765270256.

It is an arithmetic number, because the mean of its divisors is an integer number (6765270256).

Almost surely, 2^13530540511 is an apocalyptic number.

13530540511 is a deficient number, since it is larger than the sum of its proper divisors (1).

13530540511 is an equidigital number, since it uses as much as digits as its factorization.

13530540511 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4500, while the sum is 28.

The spelling of 13530540511 in words is "thirteen billion, five hundred thirty million, five hundred forty thousand, five hundred eleven".