10661422853 has 2 divisors, whose sum is σ = 10661422854. Its totient is φ = 10661422852.

The previous prime is 10661422781. The next prime is 10661422867. The reversal of 10661422853 is 35822416601.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7693570369 + 2967852484 = 87713^2 + 54478^2 .

It is a cyclic number.

It is not a de Polignac number, because 10661422853 - 2¹⁸ = 10661160709 is a prime.

It is a super-2 number, since 2×10661422853² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10661422873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5330711426 + 5330711427.

It is an arithmetic number, because the mean of its divisors is an integer number (5330711427).

Almost surely, 2^10661422853 is an apocalyptic number.

It is an amenable number.

10661422853 is a deficient number, since it is larger than the sum of its proper divisors (1).

10661422853 is an equidigital number, since it uses as much as digits as its factorization.

10661422853 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 69120, while the sum is 38.

The spelling of 10661422853 in words is "ten billion, six hundred sixty-one million, four hundred twenty-two thousand, eight hundred fifty-three".