11324527381 has 2 divisors, whose sum is σ = 11324527382. Its totient is φ = 11324527380.

The previous prime is 11324527351. The next prime is 11324527391. The reversal of 11324527381 is 18372542311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10317480625 + 1007046756 = 101575^2 + 31734^2 .

It is a cyclic number.

It is not a de Polignac number, because 11324527381 - 2⁹ = 11324526869 is a prime.

It is a super-2 number, since 2×11324527381² (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 11324527381.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11324527321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5662263690 + 5662263691.

It is an arithmetic number, because the mean of its divisors is an integer number (5662263691).

Almost surely, 2^11324527381 is an apocalyptic number.

It is an amenable number.

11324527381 is a deficient number, since it is larger than the sum of its proper divisors (1).

11324527381 is an equidigital number, since it uses as much as digits as its factorization.

11324527381 is an evil number, because the sum of its binary digits is even.

The product of its digits is 40320, while the sum is 37.

The spelling of 11324527381 in words is "eleven billion, three hundred twenty-four million, five hundred twenty-seven thousand, three hundred eighty-one".