19404795111 has 16 divisors (see below), whose sum is σ = 27892045440. Its totient is φ = 11929091040.

The previous prime is 19404795049. The next prime is 19404795119. The reversal of 19404795111 is 11159740491.

It is not a de Polignac number, because 19404795111 - 2¹⁴ = 19404778727 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19404795119) 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, 218341 + ... + 294078.

It is an arithmetic number, because the mean of its divisors is an integer number (1743252840).

Almost surely, 2^19404795111 is an apocalyptic number.

19404795111 is a deficient number, since it is larger than the sum of its proper divisors (8487250329).

19404795111 is a wasteful number, since it uses less digits than its factorization.

19404795111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 513406.

The product of its (nonzero) digits is 45360, while the sum is 42.

The spelling of 19404795111 in words is "nineteen billion, four hundred four million, seven hundred ninety-five thousand, one hundred eleven".