2119115091 has 8 divisors (see below), whose sum is σ = 2825851840. Its totient is φ = 1412560872.

The previous prime is 2119115083. The next prime is 2119115111. The reversal of 2119115091 is 1905119112.

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

It is not a de Polignac number, because 2119115091 - 2³ = 2119115083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2119115071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15745 + ... + 66978.

It is an arithmetic number, because the mean of its divisors is an integer number (353231480).

Almost surely, 2^2119115091 is an apocalyptic number.

2119115091 is a deficient number, since it is larger than the sum of its proper divisors (706736749).

2119115091 is an equidigital number, since it uses as much as digits as its factorization.

2119115091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91265.

The product of its (nonzero) digits is 810, while the sum is 30.

The square root of 2119115091 is about 46033.8472322269. The cubic root of 2119115091 is about 1284.4528935112.

The spelling of 2119115091 in words is "two billion, one hundred nineteen million, one hundred fifteen thousand, ninety-one".