5611155867 has 24 divisors (see below), whose sum is σ = 8534722560. Its totient is φ = 3542583600.

The previous prime is 5611155859. The next prime is 5611155887. The reversal of 5611155867 is 7685511165.

It is a happy number.

5611155867 is a `hidden beast` number, since 5 + 61 + 1 + 1 + 5 + 586 + 7 = 666.

It is not a de Polignac number, because 5611155867 - 2³ = 5611155859 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5611155817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 701742 + ... + 709692.

It is an arithmetic number, because the mean of its divisors is an integer number (355613440).

Almost surely, 2^5611155867 is an apocalyptic number.

5611155867 is a gapful number since it is divisible by the number (57) formed by its first and last digit.

5611155867 is a deficient number, since it is larger than the sum of its proper divisors (2923566693).

5611155867 is a wasteful number, since it uses less digits than its factorization.

5611155867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12103 (or 12100 counting only the distinct ones).

The product of its digits is 252000, while the sum is 45.

The square root of 5611155867 is about 74907.6489218558. The cubic root of 5611155867 is about 1776.9864283285.

The spelling of 5611155867 in words is "five billion, six hundred eleven million, one hundred fifty-five thousand, eight hundred sixty-seven".