5541555111 has 8 divisors (see below), whose sum is σ = 7389135600. Its totient is φ = 3694172352.

The previous prime is 5541555109. The next prime is 5541555113. The reversal of 5541555111 is 1115551455.

It is an interprime number because it is at equal distance from previous prime (5541555109) and next prime (5541555113).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5541555111 - 2¹ = 5541555109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5541555113) 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, 38115 + ... + 111963.

It is an arithmetic number, because the mean of its divisors is an integer number (923641950).

Almost surely, 2^5541555111 is an apocalyptic number.

5541555111 is a deficient number, since it is larger than the sum of its proper divisors (1847580489).

5541555111 is a wasteful number, since it uses less digits than its factorization.

5541555111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98865.

The product of its digits is 12500, while the sum is 33.

The square root of 5541555111 is about 74441.6221679780. The cubic root of 5541555111 is about 1769.6085945479.

The spelling of 5541555111 in words is "five billion, five hundred forty-one million, five hundred fifty-five thousand, one hundred eleven".