10207550111855 has 4 divisors (see below), whose sum is σ = 12249060134232. Its totient is φ = 8166040089480.

The previous prime is 10207550111827. The next prime is 10207550111911. The reversal of 10207550111855 is 55811105570201.

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

It is not a de Polignac number, because 10207550111855 - 2⁸ = 10207550111599 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1020755011181 + ... + 1020755011190.

It is an arithmetic number, because the mean of its divisors is an integer number (3062265033558).

Almost surely, 2^{10207550111855} is an apocalyptic number.

10207550111855 is a deficient number, since it is larger than the sum of its proper divisors (2041510022377).

10207550111855 is an equidigital number, since it uses as much as digits as its factorization.

10207550111855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2041510022376.

The product of its (nonzero) digits is 70000, while the sum is 41.

The spelling of 10207550111855 in words is "ten trillion, two hundred seven billion, five hundred fifty million, one hundred eleven thousand, eight hundred fifty-five".