5011166511549 has 60 divisors (see below), whose sum is σ = 8661275773920. Its totient is φ = 2877224684400.

The previous prime is 5011166511529. The next prime is 5011166511553. The reversal of 5011166511549 is 9451156611105.

5011166511549 is a `hidden beast` number, since 50 + 1 + 1 + 1 + 6 + 6 + 51 + 1 + 549 = 666.

It is not a de Polignac number, because 5011166511549 - 2¹¹ = 5011166509501 is a prime.

It is a super-2 number, since 2×5011166511549² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5011166511529) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 13268817 + ... + 13641254.

It is an arithmetic number, because the mean of its divisors is an integer number (144354596232).

Almost surely, 2^{5011166511549} is an apocalyptic number.

It is an amenable number.

5011166511549 is a deficient number, since it is larger than the sum of its proper divisors (3650109262371).

5011166511549 is a wasteful number, since it uses less digits than its factorization.

5011166511549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26910124 (or 26910104 counting only the distinct ones).

The product of its (nonzero) digits is 162000, while the sum is 45.

The spelling of 5011166511549 in words is "five trillion, eleven billion, one hundred sixty-six million, five hundred eleven thousand, five hundred forty-nine".