10206194551 has 4 divisors (see below), whose sum is σ = 11664222352. Its totient is φ = 8748166752.

The previous prime is 10206194543. The next prime is 10206194567. The reversal of 10206194551 is 15549160201.

It is a happy number.

10206194551 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 10206194551 - 2³ = 10206194543 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10206194051) by changing a digit.

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, 729013890 + ... + 729013903.

It is an arithmetic number, because the mean of its divisors is an integer number (2916055588).

Almost surely, 2^10206194551 is an apocalyptic number.

10206194551 is a deficient number, since it is larger than the sum of its proper divisors (1458027801).

10206194551 is an equidigital number, since it uses as much as digits as its factorization.

10206194551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1458027800.

The product of its (nonzero) digits is 10800, while the sum is 34.

The spelling of 10206194551 in words is "ten billion, two hundred six million, one hundred ninety-four thousand, five hundred fifty-one".