10999087111 has 8 divisors (see below), whose sum is σ = 11034298944. Its totient is φ = 10963898880.

The previous prime is 10999087109. The next prime is 10999087123. The reversal of 10999087111 is 11178099901.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10999087111 - 2¹ = 10999087109 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 (10999087181) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1569826 + ... + 1576816.

It is an arithmetic number, because the mean of its divisors is an integer number (1379287368).

Almost surely, 2^10999087111 is an apocalyptic number.

10999087111 is a deficient number, since it is larger than the sum of its proper divisors (35211833).

10999087111 is an equidigital number, since it uses as much as digits as its factorization.

10999087111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11801.

The product of its (nonzero) digits is 40824, while the sum is 46.

The spelling of 10999087111 in words is "ten billion, nine hundred ninety-nine million, eighty-seven thousand, one hundred eleven".