105510050000056 has 32 divisors (see below), whose sum is σ = 213227722355760. Its totient is φ = 48656127197952.

The previous prime is 105510049999979. The next prime is 105510050000077. The reversal of 105510050000056 is 650000050015501.

It is a super-2 number, since 2×105510050000056² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 105510049999979 and 105510050000033.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 425072790 + ... + 425320933.

Almost surely, 2^{105510050000056} is an apocalyptic number.

It is an amenable number.

105510050000056 is an abundant number, since it is smaller than the sum of its proper divisors (107717672355704).

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

105510050000056 is a wasteful number, since it uses less digits than its factorization.

105510050000056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 850394935 (or 850394931 counting only the distinct ones).

The product of its (nonzero) digits is 3750, while the sum is 28.

The spelling of 105510050000056 in words is "one hundred five trillion, five hundred ten billion, fifty million, fifty-six", and thus it is an aban number.