10666225661131 has 8 divisors (see below), whose sum is σ = 10678819009104. Its totient is φ = 10653636112800.

The previous prime is 10666225661081. The next prime is 10666225661137. The reversal of 10666225661131 is 13116652266601.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10666225661131 - 2¹⁹ = 10666225136843 is a prime.

It is a super-2 number, since 2×10666225661131² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10666225661137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4687461 + ... + 6580633.

It is an arithmetic number, because the mean of its divisors is an integer number (1334852376138).

Almost surely, 2^{10666225661131} is an apocalyptic number.

10666225661131 is a deficient number, since it is larger than the sum of its proper divisors (12593347973).

10666225661131 is an equidigital number, since it uses as much as digits as its factorization.

10666225661131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1899821.

The product of its (nonzero) digits is 466560, while the sum is 46.

The spelling of 10666225661131 in words is "ten trillion, six hundred sixty-six billion, two hundred twenty-five million, six hundred sixty-one thousand, one hundred thirty-one".