11280687503 has 2 divisors, whose sum is σ = 11280687504. Its totient is φ = 11280687502.

The previous prime is 11280687499. The next prime is 11280687511. The reversal of 11280687503 is 30578608211.

It is a weak prime.

It is an emirp because it is prime and its reverse (30578608211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11280687503 - 2² = 11280687499 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11280677503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5640343751 + 5640343752.

It is an arithmetic number, because the mean of its divisors is an integer number (5640343752).

Almost surely, 2^11280687503 is an apocalyptic number.

11280687503 is a deficient number, since it is larger than the sum of its proper divisors (1).

11280687503 is an equidigital number, since it uses as much as digits as its factorization.

11280687503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 80640, while the sum is 41.

The spelling of 11280687503 in words is "eleven billion, two hundred eighty million, six hundred eighty-seven thousand, five hundred three".