11534166309503 has 2 divisors, whose sum is σ = 11534166309504. Its totient is φ = 11534166309502.

The previous prime is 11534166309371. The next prime is 11534166309527. The reversal of 11534166309503 is 30590366143511.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11534166309503 - 2⁸ = 11534166309247 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11534166309553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5767083154751 + 5767083154752.

It is an arithmetic number, because the mean of its divisors is an integer number (5767083154752).

Almost surely, 2^{11534166309503} is an apocalyptic number.

11534166309503 is a deficient number, since it is larger than the sum of its proper divisors (1).

11534166309503 is an equidigital number, since it uses as much as digits as its factorization.

11534166309503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 874800, while the sum is 47.

The spelling of 11534166309503 in words is "eleven trillion, five hundred thirty-four billion, one hundred sixty-six million, three hundred nine thousand, five hundred three".