1105011899 has 8 divisors (see below), whose sum is σ = 1165770000. Its totient is φ = 1044513792.

The previous prime is 1105011871. The next prime is 1105011907. The reversal of 1105011899 is 9981105011.

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

It is a cyclic number.

It is not a de Polignac number, because 1105011899 - 2⁸ = 1105011643 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1105011599) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56234 + ... + 73295.

It is an arithmetic number, because the mean of its divisors is an integer number (145721250).

Almost surely, 2^1105011899 is an apocalyptic number.

1105011899 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

1105011899 is a deficient number, since it is larger than the sum of its proper divisors (60758101).

1105011899 is a wasteful number, since it uses less digits than its factorization.

1105011899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129997.

The product of its (nonzero) digits is 3240, while the sum is 35.

The square root of 1105011899 is about 33241.7192545753. The cubic root of 1105011899 is about 1033.8455233164.

The spelling of 1105011899 in words is "one billion, one hundred five million, eleven thousand, eight hundred ninety-nine".