5541567261 has 16 divisors (see below), whose sum is σ = 7711737216. Its totient is φ = 3532959936.

The previous prime is 5541567247. The next prime is 5541567277. The reversal of 5541567261 is 1627651455.

It is not a de Polignac number, because 5541567261 - 2⁹ = 5541566749 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5541567211) 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, 550671 + ... + 560643.

It is an arithmetic number, because the mean of its divisors is an integer number (481983576).

Almost surely, 2^5541567261 is an apocalyptic number.

It is an amenable number.

5541567261 is a deficient number, since it is larger than the sum of its proper divisors (2170169955).

5541567261 is a wasteful number, since it uses less digits than its factorization.

5541567261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18052.

The product of its digits is 252000, while the sum is 42.

The square root of 5541567261 is about 74441.7037755048. The cubic root of 5541567261 is about 1769.6098878509.

The spelling of 5541567261 in words is "five billion, five hundred forty-one million, five hundred sixty-seven thousand, two hundred sixty-one".