10551660001 has 4 divisors (see below), whose sum is σ = 10809017604. Its totient is φ = 10294302400.

The previous prime is 10551659971. The next prime is 10551660019. The reversal of 10551660001 is 10006615501.

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 4783105600 + 5768554401 = 69160^2 + 75951^2 .

It is a cyclic number.

It is not a de Polignac number, because 10551660001 - 2⁵ = 10551659969 is a prime.

It is a super-2 number, since 2×10551660001² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10551664001) 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, 128678740 + ... + 128678821.

It is an arithmetic number, because the mean of its divisors is an integer number (2702254401).

Almost surely, 2^10551660001 is an apocalyptic number.

It is an amenable number.

10551660001 is a deficient number, since it is larger than the sum of its proper divisors (257357603).

10551660001 is an equidigital number, since it uses as much as digits as its factorization.

10551660001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257357602.

The product of its (nonzero) digits is 900, while the sum is 25.

The spelling of 10551660001 in words is "ten billion, five hundred fifty-one million, six hundred sixty thousand, one".