540011155 has 4 divisors (see below), whose sum is σ = 648013392. Its totient is φ = 432008920.

The previous prime is 540011111. The next prime is 540011201. The reversal of 540011155 is 551110045.

It is a happy number.

540011155 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 551110045 = 5 ⋅110222009.

It is not a de Polignac number, because 540011155 - 2⁹ = 540010643 is a prime.

It is a super-2 number, since 2×540011155² = 583224095048868050, which contains 22 as substring.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54001111 + ... + 54001120.

It is an arithmetic number, because the mean of its divisors is an integer number (162003348).

Almost surely, 2^540011155 is an apocalyptic number.

540011155 is a deficient number, since it is larger than the sum of its proper divisors (108002237).

540011155 is a wasteful number, since it uses less digits than its factorization.

540011155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108002236.

The product of its (nonzero) digits is 500, while the sum is 22.

The square root of 540011155 is about 23238.1400933896. The cubic root of 540011155 is about 814.3308922229.

The spelling of 540011155 in words is "five hundred forty million, eleven thousand, one hundred fifty-five".