11115346405123 has 2 divisors, whose sum is σ = 11115346405124. Its totient is φ = 11115346405122.

The previous prime is 11115346405103. The next prime is 11115346405129. The reversal of 11115346405123 is 32150464351111.

11115346405123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11115346405123 - 2³³ = 11106756470531 is a prime.

It is not a weakly prime, because it can be changed into another prime (11115346405129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5557673202561 + 5557673202562.

It is an arithmetic number, because the mean of its divisors is an integer number (5557673202562).

Almost surely, 2^{11115346405123} is an apocalyptic number.

11115346405123 is a deficient number, since it is larger than the sum of its proper divisors (1).

11115346405123 is an equidigital number, since it uses as much as digits as its factorization.

11115346405123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 43200, while the sum is 37.

The spelling of 11115346405123 in words is "eleven trillion, one hundred fifteen billion, three hundred forty-six million, four hundred five thousand, one hundred twenty-three".