5511060091 has 4 divisors (see below), whose sum is σ = 5553129384. Its totient is φ = 5468990800.

The previous prime is 5511060089. The next prime is 5511060097. The reversal of 5511060091 is 1900601155.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5511060091 - 2¹ = 5511060089 is a prime.

It is a super-2 number, since 2×5511060091² = 60743566653225856562, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5511060097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21034450 + ... + 21034711.

It is an arithmetic number, because the mean of its divisors is an integer number (1388282346).

Almost surely, 2^5511060091 is an apocalyptic number.

5511060091 is a deficient number, since it is larger than the sum of its proper divisors (42069293).

5511060091 is a wasteful number, since it uses less digits than its factorization.

5511060091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42069292.

The product of its (nonzero) digits is 1350, while the sum is 28.

The square root of 5511060091 is about 74236.5145396792. The cubic root of 5511060091 is about 1766.3565867600.

The spelling of 5511060091 in words is "five billion, five hundred eleven million, sixty thousand, ninety-one".