5541066765 has 32 divisors (see below), whose sum is σ = 10608541440. Its totient is φ = 2727908928.

The previous prime is 5541066761. The next prime is 5541066799. The reversal of 5541066765 is 5676601455.

It is not a de Polignac number, because 5541066765 - 2² = 5541066761 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 5541066765.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5541066761) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1576897 + ... + 1580406.

It is an arithmetic number, because the mean of its divisors is an integer number (331516920).

Almost surely, 2^5541066765 is an apocalyptic number.

It is an amenable number.

5541066765 is a deficient number, since it is larger than the sum of its proper divisors (5067474675).

5541066765 is a wasteful number, since it uses less digits than its factorization.

5541066765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3157330 (or 3157324 counting only the distinct ones).

The product of its (nonzero) digits is 756000, while the sum is 45.

The square root of 5541066765 is about 74438.3420355397. The cubic root of 5541066765 is about 1769.5566111457.

The spelling of 5541066765 in words is "five billion, five hundred forty-one million, sixty-six thousand, seven hundred sixty-five".