5105616155550 has 48 divisors (see below), whose sum is σ = 14068808965680. Its totient is φ = 1361497641120.

The previous prime is 5105616155489. The next prime is 5105616155551. The reversal of 5105616155550 is 555516165015.

5105616155550 is a `hidden beast` number, since 5 + 10 + 5 + 616 + 15 + 5 + 5 + 5 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 5105616155496 and 5105616155505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5105616155551) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1890967597 + ... + 1890970296.

It is an arithmetic number, because the mean of its divisors is an integer number (293100186785).

Almost surely, 2^{5105616155550} is an apocalyptic number.

5105616155550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

5105616155550 is an abundant number, since it is smaller than the sum of its proper divisors (8963192810130).

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

5105616155550 is a wasteful number, since it uses less digits than its factorization.

5105616155550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3781937914 (or 3781937903 counting only the distinct ones).

The product of its (nonzero) digits is 562500, while the sum is 45.

The spelling of 5105616155550 in words is "five trillion, one hundred five billion, six hundred sixteen million, one hundred fifty-five thousand, five hundred fifty".