11530378429 has 2 divisors, whose sum is σ = 11530378430. Its totient is φ = 11530378428.

The previous prime is 11530378427. The next prime is 11530378439. The reversal of 11530378429 is 92487303511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5855769529 + 5674608900 = 76523^2 + 75330^2 .

It is a cyclic number.

It is not a de Polignac number, because 11530378429 - 2¹ = 11530378427 is a prime.

Together with 11530378427, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11530378427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5765189214 + 5765189215.

It is an arithmetic number, because the mean of its divisors is an integer number (5765189215).

Almost surely, 2^11530378429 is an apocalyptic number.

It is an amenable number.

11530378429 is a deficient number, since it is larger than the sum of its proper divisors (1).

11530378429 is an equidigital number, since it uses as much as digits as its factorization.

11530378429 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 181440, while the sum is 43.

The spelling of 11530378429 in words is "eleven billion, five hundred thirty million, three hundred seventy-eight thousand, four hundred twenty-nine".