11143347503 has 2 divisors, whose sum is σ = 11143347504. Its totient is φ = 11143347502.

The previous prime is 11143347499. The next prime is 11143347541. The reversal of 11143347503 is 30574334111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11143347503 - 2² = 11143347499 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11143347503.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11143377503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5571673751 + 5571673752.

It is an arithmetic number, because the mean of its divisors is an integer number (5571673752).

Almost surely, 2^11143347503 is an apocalyptic number.

11143347503 is a deficient number, since it is larger than the sum of its proper divisors (1).

11143347503 is an equidigital number, since it uses as much as digits as its factorization.

11143347503 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15120, while the sum is 32.

The spelling of 11143347503 in words is "eleven billion, one hundred forty-three million, three hundred forty-seven thousand, five hundred three".