11001099487 has 16 divisors (see below), whose sum is σ = 12983500800. Its totient is φ = 9121648320.

The previous prime is 11001099463. The next prime is 11001099497. The reversal of 11001099487 is 78499010011.

It is a de Polignac number, because none of the positive numbers 2^k-11001099487 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11001099437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 615939 + ... + 633547.

It is an arithmetic number, because the mean of its divisors is an integer number (811468800).

Almost surely, 2^11001099487 is an apocalyptic number.

11001099487 is a deficient number, since it is larger than the sum of its proper divisors (1982401313).

11001099487 is a wasteful number, since it uses less digits than its factorization.

11001099487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20526.

The product of its (nonzero) digits is 18144, while the sum is 40.

The spelling of 11001099487 in words is "eleven billion, one million, ninety-nine thousand, four hundred eighty-seven".