11530696813 has 2 divisors, whose sum is σ = 11530696814. Its totient is φ = 11530696812.

The previous prime is 11530696759. The next prime is 11530696843. The reversal of 11530696813 is 31869603511.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6608551849 + 4922144964 = 81293^2 + 70158^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11530696813 is a prime.

It is a super-3 number, since 3×11530696813³ (a number of 31 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11530696813.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11530696843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5765348406 + 5765348407.

It is an arithmetic number, because the mean of its divisors is an integer number (5765348407).

Almost surely, 2^11530696813 is an apocalyptic number.

It is an amenable number.

11530696813 is a deficient number, since it is larger than the sum of its proper divisors (1).

11530696813 is an equidigital number, since it uses as much as digits as its factorization.

11530696813 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 116640, while the sum is 43.

The spelling of 11530696813 in words is "eleven billion, five hundred thirty million, six hundred ninety-six thousand, eight hundred thirteen".