11247099909 has 16 divisors (see below), whose sum is σ = 15351739392. Its totient is φ = 7320419568.

The previous prime is 11247099883. The next prime is 11247099923. The reversal of 11247099909 is 90999074211.

It is not a de Polignac number, because 11247099909 - 2⁷ = 11247099781 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11247099979) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 289114 + ... + 325700.

It is an arithmetic number, because the mean of its divisors is an integer number (959483712).

Almost surely, 2^11247099909 is an apocalyptic number.

It is an amenable number.

11247099909 is a deficient number, since it is larger than the sum of its proper divisors (4104639483).

11247099909 is a wasteful number, since it uses less digits than its factorization.

11247099909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39016.

The product of its (nonzero) digits is 367416, while the sum is 51.

The spelling of 11247099909 in words is "eleven billion, two hundred forty-seven million, ninety-nine thousand, nine hundred nine".