11534402279 has 2 divisors, whose sum is σ = 11534402280. Its totient is φ = 11534402278.

The previous prime is 11534402251. The next prime is 11534402293. The reversal of 11534402279 is 97220443511.

It is a strong prime.

It is an emirp because it is prime and its reverse (97220443511) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11534402279 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11534407279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5767201139 + 5767201140.

It is an arithmetic number, because the mean of its divisors is an integer number (5767201140).

Almost surely, 2^11534402279 is an apocalyptic number.

11534402279 is a deficient number, since it is larger than the sum of its proper divisors (1).

11534402279 is an equidigital number, since it uses as much as digits as its factorization.

11534402279 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60480, while the sum is 38.

The spelling of 11534402279 in words is "eleven billion, five hundred thirty-four million, four hundred two thousand, two hundred seventy-nine".