11415306239 has 2 divisors, whose sum is σ = 11415306240. Its totient is φ = 11415306238.

The previous prime is 11415306197. The next prime is 11415306263. The reversal of 11415306239 is 93260351411.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11415306239 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 11415306199 and 11415306208.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11415306269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5707653119 + 5707653120.

It is an arithmetic number, because the mean of its divisors is an integer number (5707653120).

Almost surely, 2^11415306239 is an apocalyptic number.

11415306239 is a deficient number, since it is larger than the sum of its proper divisors (1).

11415306239 is an equidigital number, since it uses as much as digits as its factorization.

11415306239 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19440, while the sum is 35.

The spelling of 11415306239 in words is "eleven billion, four hundred fifteen million, three hundred six thousand, two hundred thirty-nine".