10556415773 has 4 divisors (see below), whose sum is σ = 10920430140. Its totient is φ = 10192401408.

The previous prime is 10556415767. The next prime is 10556415797. The reversal of 10556415773 is 37751465501.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 6969244324 + 3587171449 = 83482^2 + 59893^2 .

It is a cyclic number.

It is not a de Polignac number, because 10556415773 - 2⁸ = 10556415517 is a prime.

It is a super-2 number, since 2×10556415773² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10556415473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 182007140 + ... + 182007197.

It is an arithmetic number, because the mean of its divisors is an integer number (2730107535).

Almost surely, 2^10556415773 is an apocalyptic number.

It is an amenable number.

10556415773 is a deficient number, since it is larger than the sum of its proper divisors (364014367).

10556415773 is an equidigital number, since it uses as much as digits as its factorization.

10556415773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364014366.

The product of its (nonzero) digits is 441000, while the sum is 44.

The spelling of 10556415773 in words is "ten billion, five hundred fifty-six million, four hundred fifteen thousand, seven hundred seventy-three".