5541312511 has 16 divisors (see below), whose sum is σ = 6507934720. Its totient is φ = 4618594080.

The previous prime is 5541312479. The next prime is 5541312521. The reversal of 5541312511 is 1152131455.

It is a cyclic number.

It is not a de Polignac number, because 5541312511 - 2⁵ = 5541312479 is a prime.

It is a super-3 number, since 3×5541312511³ (a number of 30 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 5541312511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5541312521) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 515530 + ... + 526168.

It is an arithmetic number, because the mean of its divisors is an integer number (406745920).

Almost surely, 2^5541312511 is an apocalyptic number.

5541312511 is a deficient number, since it is larger than the sum of its proper divisors (966622209).

5541312511 is a wasteful number, since it uses less digits than its factorization.

5541312511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12694.

The product of its digits is 3000, while the sum is 28.

The square root of 5541312511 is about 74439.9926853838. The cubic root of 5541312511 is about 1769.5827706711.

Adding to 5541312511 its reverse (1152131455), we get a palindrome (6693443966).

It can be divided in two parts, 55413125 and 11, that added together give a square (55413136 = 7444²).

The spelling of 5541312511 in words is "five billion, five hundred forty-one million, three hundred twelve thousand, five hundred eleven".