10019191011 has 8 divisors (see below), whose sum is σ = 13491188304. Its totient is φ = 6613327200.

The previous prime is 10019190989. The next prime is 10019191079. The reversal of 10019191011 is 11019191001.

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

It is not a de Polignac number, because 10019191011 - 2¹⁸ = 10018928867 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10019191081) 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, 16533016 + ... + 16533621.

It is an arithmetic number, because the mean of its divisors is an integer number (1686398538).

Almost surely, 2^10019191011 is an apocalyptic number.

10019191011 is a deficient number, since it is larger than the sum of its proper divisors (3471997293).

10019191011 is a wasteful number, since it uses less digits than its factorization.

10019191011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33066741.

The product of its (nonzero) digits is 81, while the sum is 24.

The spelling of 10019191011 in words is "ten billion, nineteen million, one hundred ninety-one thousand, eleven".