5111105055061 has 8 divisors (see below), whose sum is σ = 5416551722520. Its totient is φ = 4806190990848.

The previous prime is 5111105055059. The next prime is 5111105055103. The reversal of 5111105055061 is 1605505011115.

5111105055061 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 432510099025 + 4678594956036 = 657655^2 + 2163006^2 .

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 5111105055061 - 2¹ = 5111105055059 is a prime.

It is a super-2 number, since 2×5111105055061² (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 (5111105055031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 133131046 + ... + 133169431.

It is an arithmetic number, because the mean of its divisors is an integer number (677068965315).

Almost surely, 2^{5111105055061} is an apocalyptic number.

It is an amenable number.

5111105055061 is a deficient number, since it is larger than the sum of its proper divisors (305446667459).

5111105055061 is a wasteful number, since it uses less digits than its factorization.

5111105055061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266301623.

The product of its (nonzero) digits is 3750, while the sum is 31.

The spelling of 5111105055061 in words is "five trillion, one hundred eleven billion, one hundred five million, fifty-five thousand, sixty-one".