11733325381 has 2 divisors, whose sum is σ = 11733325382. Its totient is φ = 11733325380.

The previous prime is 11733325369. The next prime is 11733325391. The reversal of 11733325381 is 18352333711.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8057934756 + 3675390625 = 89766^2 + 60625^2 .

It is an emirp because it is prime and its reverse (18352333711) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11733325381 - 2²⁹ = 11196454469 is a prime.

It is a super-2 number, since 2×11733325381² (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 11733325381.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11733325391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5866662690 + 5866662691.

It is an arithmetic number, because the mean of its divisors is an integer number (5866662691).

Almost surely, 2^11733325381 is an apocalyptic number.

It is an amenable number.

11733325381 is a deficient number, since it is larger than the sum of its proper divisors (1).

11733325381 is an equidigital number, since it uses as much as digits as its factorization.

11733325381 is an evil number, because the sum of its binary digits is even.

The product of its digits is 45360, while the sum is 37.

The spelling of 11733325381 in words is "eleven billion, seven hundred thirty-three million, three hundred twenty-five thousand, three hundred eighty-one".