5541164311545 has 48 divisors (see below), whose sum is σ = 10192051501632. Its totient is φ = 2886559986240.

The previous prime is 5541164311531. The next prime is 5541164311549. The reversal of 5541164311545 is 5451134611455.

5541164311545 is a `hidden beast` number, since 5 + 5 + 4 + 11 + 64 + 31 + 1 + 545 = 666.

It is not a de Polignac number, because 5541164311545 - 2⁸ = 5541164311289 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 5541164311545.

It is not an unprimeable number, because it can be changed into a prime (5541164311549) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 52978326 + ... + 53082815.

It is an arithmetic number, because the mean of its divisors is an integer number (212334406284).

Almost surely, 2^{5541164311545} is an apocalyptic number.

It is an amenable number.

5541164311545 is a deficient number, since it is larger than the sum of its proper divisors (4650887190087).

5541164311545 is a wasteful number, since it uses less digits than its factorization.

5541164311545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106061204 (or 106061192 counting only the distinct ones).

The product of its digits is 720000, while the sum is 45.

The spelling of 5541164311545 in words is "five trillion, five hundred forty-one billion, one hundred sixty-four million, three hundred eleven thousand, five hundred forty-five".