10891099010 has 16 divisors (see below), whose sum is σ = 21386158272. Its totient is φ = 3960399600.

The previous prime is 10891098983. The next prime is 10891099123. The reversal of 10891099010 is 1099019801.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49504886 + ... + 49505105.

It is an arithmetic number, because the mean of its divisors is an integer number (1336634892).

Almost surely, 2^10891099010 is an apocalyptic number.

10891099010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10891099010 is a deficient number, since it is larger than the sum of its proper divisors (10495059262).

10891099010 is a wasteful number, since it uses less digits than its factorization.

10891099010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99010009.

The product of its (nonzero) digits is 5832, while the sum is 38.

The spelling of 10891099010 in words is "ten billion, eight hundred ninety-one million, ninety-nine thousand, ten".