1100255091 has 8 divisors (see below), whose sum is σ = 1579853520. Its totient is φ = 677080032.

The previous prime is 1100255089. The next prime is 1100255111. The reversal of 1100255091 is 1905520011.

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

It is not a de Polignac number, because 1100255091 - 2¹ = 1100255089 is a prime.

It is a super-2 number, since 2×1100255091² = 2421122530542836562, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1100255081) 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, 14105796 + ... + 14105873.

It is an arithmetic number, because the mean of its divisors is an integer number (197481690).

Almost surely, 2^1100255091 is an apocalyptic number.

1100255091 is a deficient number, since it is larger than the sum of its proper divisors (479598429).

1100255091 is a wasteful number, since it uses less digits than its factorization.

1100255091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28211685.

The product of its (nonzero) digits is 450, while the sum is 24.

The square root of 1100255091 is about 33170.0933221479. The cubic root of 1100255091 is about 1032.3599048547.

The spelling of 1100255091 in words is "one billion, one hundred million, two hundred fifty-five thousand, ninety-one".