105551100605 has 8 divisors (see below), whose sum is σ = 126717206112. Its totient is φ = 84403623568.

The previous prime is 105551100553. The next prime is 105551100643. The reversal of 105551100605 is 506001155501.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-105551100605 is a prime.

It is a super-2 number, since 2×105551100605² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

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, 4644647 + ... + 4667316.

It is an arithmetic number, because the mean of its divisors is an integer number (15839650764).

Almost surely, 2^105551100605 is an apocalyptic number.

It is an amenable number.

105551100605 is a deficient number, since it is larger than the sum of its proper divisors (21166105507).

105551100605 is an equidigital number, since it uses as much as digits as its factorization.

105551100605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9314235.

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

The spelling of 105551100605 in words is "one hundred five billion, five hundred fifty-one million, one hundred thousand, six hundred five".