1920091109192 has 32 divisors (see below), whose sum is σ = 3731962334400. Its totient is φ = 925037112384.

The previous prime is 1920091109129. The next prime is 1920091109203. The reversal of 1920091109192 is 2919011900291.

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, 8384198 + ... + 8610165.

It is an arithmetic number, because the mean of its divisors is an integer number (116623822950).

Almost surely, 2^{1920091109192} is an apocalyptic number.

It is an amenable number.

1920091109192 is a deficient number, since it is larger than the sum of its proper divisors (1811871225208).

1920091109192 is a wasteful number, since it uses less digits than its factorization.

1920091109192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16994885 (or 16994881 counting only the distinct ones).

The product of its (nonzero) digits is 26244, while the sum is 44.

The spelling of 1920091109192 in words is "one trillion, nine hundred twenty billion, ninety-one million, one hundred nine thousand, one hundred ninety-two".