10919921092 has 12 divisors (see below), whose sum is σ = 19120850476. Its totient is φ = 5456820960.

The previous prime is 10919921003. The next prime is 10919921093. The reversal of 10919921092 is 29012991901.

It can be written as a sum of positive squares in 2 ways, for example, as 191933316 + 10727987776 = 13854^2 + 103576^2 .

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (10919921093) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 777063 + ... + 790990.

Almost surely, 2^10919921092 is an apocalyptic number.

It is an amenable number.

10919921092 is a deficient number, since it is larger than the sum of its proper divisors (8200929384).

10919921092 is a wasteful number, since it uses less digits than its factorization.

10919921092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1569798 (or 1569796 counting only the distinct ones).

The product of its (nonzero) digits is 26244, while the sum is 43.

The spelling of 10919921092 in words is "ten billion, nine hundred nineteen million, nine hundred twenty-one thousand, ninety-two".