11206634503 has 2 divisors, whose sum is σ = 11206634504. Its totient is φ = 11206634502.

The previous prime is 11206634497. The next prime is 11206634513. The reversal of 11206634503 is 30543660211.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11206634503 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11206634513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5603317251 + 5603317252.

It is an arithmetic number, because the mean of its divisors is an integer number (5603317252).

Almost surely, 2^11206634503 is an apocalyptic number.

11206634503 is a deficient number, since it is larger than the sum of its proper divisors (1).

11206634503 is an equidigital number, since it uses as much as digits as its factorization.

11206634503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12960, while the sum is 31.

The spelling of 11206634503 in words is "eleven billion, two hundred six million, six hundred thirty-four thousand, five hundred three".