5166111110655 has 64 divisors (see below), whose sum is σ = 9321724477440. Its totient is φ = 2420431094400.

The previous prime is 5166111110653. The next prime is 5166111110683. The reversal of 5166111110655 is 5560111116615.

It is not a de Polignac number, because 5166111110655 - 2¹ = 5166111110653 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5166111110653) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2754166 + ... + 4232924.

It is an arithmetic number, because the mean of its divisors is an integer number (145651944960).

Almost surely, 2^{5166111110655} is an apocalyptic number.

5166111110655 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

5166111110655 is a deficient number, since it is larger than the sum of its proper divisors (4155613366785).

5166111110655 is a wasteful number, since it uses less digits than its factorization.

5166111110655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1479492.

The product of its (nonzero) digits is 27000, while the sum is 39.

The spelling of 5166111110655 in words is "five trillion, one hundred sixty-six billion, one hundred eleven million, one hundred ten thousand, six hundred fifty-five".