19930111383 has 128 divisors (see below), whose sum is σ = 34844723200. Its totient is φ = 10059033600.

The previous prime is 19930111373. The next prime is 19930111391. The reversal of 19930111383 is 38311103991.

It is not a de Polignac number, because 19930111383 - 2¹⁰ = 19930110359 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19930111343) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 33161283 + ... + 33161883.

It is an arithmetic number, because the mean of its divisors is an integer number (272224400).

Almost surely, 2^19930111383 is an apocalyptic number.

19930111383 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

19930111383 is a deficient number, since it is larger than the sum of its proper divisors (14914611817).

19930111383 is a wasteful number, since it uses less digits than its factorization.

19930111383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 742 (or 728 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 39.

The spelling of 19930111383 in words is "nineteen billion, nine hundred thirty million, one hundred eleven thousand, three hundred eighty-three".