105551555545 has 8 divisors (see below), whose sum is σ = 126700608960. Its totient is φ = 84415416240.

The previous prime is 105551555537. The next prime is 105551555579. The reversal of 105551555545 is 545555155501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 105551555545 - 2³ = 105551555537 is a prime.

It is a super-2 number, since 2×105551555545² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 105551555495 and 105551555504.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3210535 + ... + 3243244.

It is an arithmetic number, because the mean of its divisors is an integer number (15837576120).

Almost surely, 2^105551555545 is an apocalyptic number.

It is an amenable number.

105551555545 is a deficient number, since it is larger than the sum of its proper divisors (21149053415).

105551555545 is an equidigital number, since it uses as much as digits as its factorization.

105551555545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6457055.

The product of its (nonzero) digits is 1562500, while the sum is 46.

The spelling of 105551555545 in words is "one hundred five billion, five hundred fifty-one million, five hundred fifty-five thousand, five hundred forty-five".