106105050505555 has 4 divisors (see below), whose sum is σ = 127326060606672. Its totient is φ = 84884040404440.

The previous prime is 106105050505549. The next prime is 106105050505579. The reversal of 106105050505555 is 555505050501601.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 106105050505555 - 2⁷ = 106105050505427 is a prime.

It is a super-2 number, since 2×106105050505555² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10610505050551 + ... + 10610505050560.

It is an arithmetic number, because the mean of its divisors is an integer number (31831515151668).

Almost surely, 2^{106105050505555} is an apocalyptic number.

106105050505555 is a deficient number, since it is larger than the sum of its proper divisors (21221010101117).

106105050505555 is an equidigital number, since it uses as much as digits as its factorization.

106105050505555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21221010101116.

The product of its (nonzero) digits is 468750, while the sum is 43.

The spelling of 106105050505555 in words is "one hundred six trillion, one hundred five billion, fifty million, five hundred five thousand, five hundred fifty-five".