11117791503 has 48 divisors (see below), whose sum is σ = 20137965120. Its totient is φ = 5753659392.

The previous prime is 11117791463. The next prime is 11117791507. The reversal of 11117791503 is 30519771111.

It is not a de Polignac number, because 11117791503 - 2⁶ = 11117791439 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11117791507) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 84658 + ... + 171471.

It is an arithmetic number, because the mean of its divisors is an integer number (419540940).

Almost surely, 2^11117791503 is an apocalyptic number.

11117791503 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

11117791503 is a deficient number, since it is larger than the sum of its proper divisors (9020173617).

11117791503 is a wasteful number, since it uses less digits than its factorization.

11117791503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256208 (or 256205 counting only the distinct ones).

The product of its (nonzero) digits is 6615, while the sum is 36.

The spelling of 11117791503 in words is "eleven billion, one hundred seventeen million, seven hundred ninety-one thousand, five hundred three".