5511476881 has 4 divisors (see below), whose sum is σ = 5521029412. Its totient is φ = 5501924352.

The previous prime is 5511476843. The next prime is 5511476903. The reversal of 5511476881 is 1886741155.

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

It can be written as a sum of positive squares in 2 ways, for example, as 4894401600 + 617075281 = 69960^2 + 24841^2 .

It is a cyclic number.

It is not a de Polignac number, because 5511476881 - 2¹¹ = 5511474833 is a prime.

It is a super-2 number, since 2×5511476881² = 60752754819594976322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5511476801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4775400 + ... + 4776553.

It is an arithmetic number, because the mean of its divisors is an integer number (1380257353).

Almost surely, 2^5511476881 is an apocalyptic number.

It is an amenable number.

5511476881 is a deficient number, since it is larger than the sum of its proper divisors (9552531).

5511476881 is an equidigital number, since it uses as much as digits as its factorization.

5511476881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9552530.

The product of its digits is 268800, while the sum is 46.

The square root of 5511476881 is about 74239.3216631187. The cubic root of 5511476881 is about 1766.4011142612.

The spelling of 5511476881 in words is "five billion, five hundred eleven million, four hundred seventy-six thousand, eight hundred eighty-one".