10919191010 has 32 divisors (see below), whose sum is σ = 24190209792. Its totient is φ = 3455743680.

The previous prime is 10919190871. The next prime is 10919191013. The reversal of 10919191010 is 1019191901.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (10919191013) 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, 5998646 + ... + 6000465.

It is an arithmetic number, because the mean of its divisors is an integer number (755944056).

Almost surely, 2^10919191010 is an apocalyptic number.

10919191010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10919191010 is an abundant number, since it is smaller than the sum of its proper divisors (13271018782).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10919191010 is a wasteful number, since it uses less digits than its factorization.

10919191010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11999138.

The product of its (nonzero) digits is 729, while the sum is 32.

The spelling of 10919191010 in words is "ten billion, nine hundred nineteen million, one hundred ninety-one thousand, ten".