105551051056 has 30 divisors (see below), whose sum is σ = 224786669156. Its totient is φ = 47977749600.

The previous prime is 105551051051. The next prime is 105551051117. The reversal of 105551051056 is 650150155501.

It is a super-2 number, since 2×105551051056² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105551051051) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 27258150 + ... + 27262021.

Almost surely, 2^105551051056 is an apocalyptic number.

105551051056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

105551051056 is an abundant number, since it is smaller than the sum of its proper divisors (119235618100).

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

105551051056 is a wasteful number, since it uses less digits than its factorization.

105551051056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54520201 (or 54520184 counting only the distinct ones).

The product of its (nonzero) digits is 18750, while the sum is 34.

The spelling of 105551051056 in words is "one hundred five billion, five hundred fifty-one million, fifty-one thousand, fifty-six".