1100055611 has 8 divisors (see below), whose sum is σ = 1123701984. Its totient is φ = 1076635840.

The previous prime is 1100055581. The next prime is 1100055641. The reversal of 1100055611 is 1165500011.

It is an interprime number because it is at equal distance from previous prime (1100055581) and next prime (1100055641).

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 1100055611 - 2²² = 1095861307 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1100055641) 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, 46820 + ... + 66273.

It is an arithmetic number, because the mean of its divisors is an integer number (140462748).

Almost surely, 2^1100055611 is an apocalyptic number.

1100055611 is a deficient number, since it is larger than the sum of its proper divisors (23646373).

1100055611 is a wasteful number, since it uses less digits than its factorization.

1100055611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113301.

The product of its (nonzero) digits is 150, while the sum is 20.

The square root of 1100055611 is about 33167.0862603274. The cubic root of 1100055611 is about 1032.2975109600.

Adding to 1100055611 its reverse (1165500011), we get a palindrome (2265555622).

The spelling of 1100055611 in words is "one billion, one hundred million, fifty-five thousand, six hundred eleven".