10557500806 has 4 divisors (see below), whose sum is σ = 15836251212. Its totient is φ = 5278750402.

The previous prime is 10557500801. The next prime is 10557500809. The reversal of 10557500806 is 60800575501.

10557500806 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 super-2 number, since 2×10557500806² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10557500801) 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 as a sum of consecutive naturals, namely, 2639375200 + ... + 2639375203.

It is an arithmetic number, because the mean of its divisors is an integer number (3959062803).

Almost surely, 2^10557500806 is an apocalyptic number.

10557500806 is a deficient number, since it is larger than the sum of its proper divisors (5278750406).

10557500806 is an equidigital number, since it uses as much as digits as its factorization.

10557500806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5278750405.

The product of its (nonzero) digits is 42000, while the sum is 37.

The spelling of 10557500806 in words is "ten billion, five hundred fifty-seven million, five hundred thousand, eight hundred six".