5111155055056 has 80 divisors (see below), whose sum is σ = 10286775354240. Its totient is φ = 2458275747840.

The previous prime is 5111155055033. The next prime is 5111155055059. The reversal of 5111155055056 is 6505505511115.

It is a happy number.

It is a super-2 number, since 2×5111155055056² (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 (5111155055059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 159115765 + ... + 159147883.

It is an arithmetic number, because the mean of its divisors is an integer number (128584691928).

Almost surely, 2^{5111155055056} is an apocalyptic number.

It is an amenable number.

5111155055056 is an abundant number, since it is smaller than the sum of its proper divisors (5175620299184).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5111155055056 is a wasteful number, since it uses less digits than its factorization.

5111155055056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35564 (or 35558 counting only the distinct ones).

The product of its (nonzero) digits is 93750, while the sum is 40.

The spelling of 5111155055056 in words is "five trillion, one hundred eleven billion, one hundred fifty-five million, fifty-five thousand, fifty-six".