5541144531 has 16 divisors (see below), whose sum is σ = 8171558304. Its totient is φ = 3317773824.

The previous prime is 5541144487. The next prime is 5541144533. The reversal of 5541144531 is 1354411455.

It is not a de Polignac number, because 5541144531 - 2¹⁷ = 5541013459 is a prime.

It is a super-2 number, since 2×5541144531² = 61408565426862419922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 5541144492 and 5541144501.

It is not an unprimeable number, because it can be changed into a prime (5541144533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1918566 + ... + 1921451.

It is an arithmetic number, because the mean of its divisors is an integer number (510722394).

Almost surely, 2^5541144531 is an apocalyptic number.

5541144531 is a deficient number, since it is larger than the sum of its proper divisors (2630413773).

5541144531 is a wasteful number, since it uses less digits than its factorization.

5541144531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3840070.

The product of its digits is 24000, while the sum is 33.

The square root of 5541144531 is about 74438.8643854808. The cubic root of 5541144531 is about 1769.5648893769.

Adding to 5541144531 its reverse (1354411455), we get a palindrome (6895555986).

The spelling of 5541144531 in words is "five billion, five hundred forty-one million, one hundred forty-four thousand, five hundred thirty-one".