5511556067 has 4 divisors (see below), whose sum is σ = 5511875376. Its totient is φ = 5511236760.

The previous prime is 5511556049. The next prime is 5511556087. The reversal of 5511556067 is 7606551155.

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 5511556067 - 2²² = 5507361763 is a prime.

It is a super-3 number, since 3×5511556067³ (a number of 30 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5511556087) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 132188 + ... + 168809.

It is an arithmetic number, because the mean of its divisors is an integer number (1377968844).

Almost surely, 2^5511556067 is an apocalyptic number.

5511556067 is a deficient number, since it is larger than the sum of its proper divisors (319309).

5511556067 is a wasteful number, since it uses less digits than its factorization.

5511556067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319308.

The product of its (nonzero) digits is 157500, while the sum is 41.

The square root of 5511556067 is about 74239.8549769596. The cubic root of 5511556067 is about 1766.4095737946.

The spelling of 5511556067 in words is "five billion, five hundred eleven million, five hundred fifty-six thousand, sixty-seven".