1119802881 has 4 divisors (see below), whose sum is σ = 1493070512. Its totient is φ = 746535252.

The previous prime is 1119802843. The next prime is 1119802939. The reversal of 1119802881 is 1882089111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1119802881 - 2¹⁰ = 1119801857 is a prime.

It is a super-2 number, since 2×1119802881² = 2507916984591800322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1119800881) 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, 186633811 + ... + 186633816.

It is an arithmetic number, because the mean of its divisors is an integer number (373267628).

Almost surely, 2^1119802881 is an apocalyptic number.

It is an amenable number.

1119802881 is a deficient number, since it is larger than the sum of its proper divisors (373267631).

1119802881 is an equidigital number, since it uses as much as digits as its factorization.

1119802881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373267630.

The product of its (nonzero) digits is 9216, while the sum is 39.

The square root of 1119802881 is about 33463.4559034180. The cubic root of 1119802881 is about 1038.4378918406.

The spelling of 1119802881 in words is "one billion, one hundred nineteen million, eight hundred two thousand, eight hundred eighty-one".