105510510056 has 64 divisors (see below), whose sum is σ = 231422400000. Its totient is φ = 44153742528.

The previous prime is 105510510029. The next prime is 105510510089. The reversal of 105510510056 is 650015015501.

It is a happy number.

It is a super-2 number, since 2×105510510056² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14066195 + ... + 14073693.

It is an arithmetic number, because the mean of its divisors is an integer number (3615975000).

Almost surely, 2^105510510056 is an apocalyptic number.

It is an amenable number.

105510510056 is an abundant number, since it is smaller than the sum of its proper divisors (125911889944).

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

105510510056 is a wasteful number, since it uses less digits than its factorization.

105510510056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13398 (or 13394 counting only the distinct ones).

The product of its (nonzero) digits is 3750, while the sum is 29.

Adding to 105510510056 its reverse (650015015501), we get a palindrome (755525525557).

The spelling of 105510510056 in words is "one hundred five billion, five hundred ten million, five hundred ten thousand, fifty-six".