1099999755 has 24 divisors (see below), whose sum is σ = 1909535472. Its totient is φ = 585783744.

The previous prime is 1099999723. The next prime is 1099999781. The reversal of 1099999755 is 5579999901.

1099999755 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1099999755 - 2⁵ = 1099999723 is a prime.

It is a super-2 number, since 2×1099999755² = 2419998922000120050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1099999692 and 1099999701.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12412 + ... + 48518.

It is an arithmetic number, because the mean of its divisors is an integer number (79563978).

Almost surely, 2^1099999755 is an apocalyptic number.

1099999755 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1099999755 is a deficient number, since it is larger than the sum of its proper divisors (809535717).

1099999755 is a wasteful number, since it uses less digits than its factorization.

1099999755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36795 (or 36792 counting only the distinct ones).

The product of its (nonzero) digits is 10333575, while the sum is 63.

The square root of 1099999755 is about 33166.2442100398. The cubic root of 1099999755 is about 1032.2800388174.

The spelling of 1099999755 in words is "one billion, ninety-nine million, nine hundred ninety-nine thousand, seven hundred fifty-five".