1099538355 has 8 divisors (see below), whose sum is σ = 1759261392. Its totient is φ = 586420448.

The previous prime is 1099538317. The next prime is 1099538357. The reversal of 1099538355 is 5538359901.

It is a happy number.

1099538355 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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 1099538355 - 2¹² = 1099534259 is a prime.

It is a super-2 number, since 2×1099538355² = 2417969188232212050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1099538357) 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, 36651264 + ... + 36651293.

It is an arithmetic number, because the mean of its divisors is an integer number (219907674).

Almost surely, 2^1099538355 is an apocalyptic number.

1099538355 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1099538355 is a deficient number, since it is larger than the sum of its proper divisors (659723037).

1099538355 is an equidigital number, since it uses as much as digits as its factorization.

1099538355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73302565.

The product of its (nonzero) digits is 729000, while the sum is 48.

The square root of 1099538355 is about 33159.2876129750. The cubic root of 1099538355 is about 1032.1356870822.

The spelling of 1099538355 in words is "one billion, ninety-nine million, five hundred thirty-eight thousand, three hundred fifty-five".