11403247391 has 2 divisors, whose sum is σ = 11403247392. Its totient is φ = 11403247390.

The previous prime is 11403247381. The next prime is 11403247411. The reversal of 11403247391 is 19374230411.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11403247391 - 2⁶ = 11403247327 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11403247381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5701623695 + 5701623696.

It is an arithmetic number, because the mean of its divisors is an integer number (5701623696).

Almost surely, 2^11403247391 is an apocalyptic number.

11403247391 is a deficient number, since it is larger than the sum of its proper divisors (1).

11403247391 is an equidigital number, since it uses as much as digits as its factorization.

11403247391 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18144, while the sum is 35.

The spelling of 11403247391 in words is "eleven billion, four hundred three million, two hundred forty-seven thousand, three hundred ninety-one".