5165611611055 has 8 divisors (see below), whose sum is σ = 7084267352352. Its totient is φ = 3542133676128.

The previous prime is 5165611611031. The next prime is 5165611611143. The reversal of 5165611611055 is 5501161165615.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5165611611055 - 2¹⁹ = 5165611086767 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73794451552 + ... + 73794451621.

It is an arithmetic number, because the mean of its divisors is an integer number (885533419044).

Almost surely, 2^{5165611611055} is an apocalyptic number.

5165611611055 is a deficient number, since it is larger than the sum of its proper divisors (1918655741297).

5165611611055 is a wasteful number, since it uses less digits than its factorization.

5165611611055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147588903185.

The product of its (nonzero) digits is 135000, while the sum is 43.

The spelling of 5165611611055 in words is "five trillion, one hundred sixty-five billion, six hundred eleven million, six hundred eleven thousand, fifty-five".