111240146503 has 2 divisors, whose sum is σ = 111240146504. Its totient is φ = 111240146502.

The previous prime is 111240146497. The next prime is 111240146519. The reversal of 111240146503 is 305641042111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 111240146503 - 2²⁵ = 111206592071 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111240146573) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55620073251 + 55620073252.

It is an arithmetic number, because the mean of its divisors is an integer number (55620073252).

Almost surely, 2^111240146503 is an apocalyptic number.

111240146503 is a deficient number, since it is larger than the sum of its proper divisors (1).

111240146503 is an equidigital number, since it uses as much as digits as its factorization.

111240146503 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2880, while the sum is 28.

Adding to 111240146503 its reverse (305641042111), we get a palindrome (416881188614).

The spelling of 111240146503 in words is "one hundred eleven billion, two hundred forty million, one hundred forty-six thousand, five hundred three".