3126561445106 has 12 divisors (see below), whose sum is σ = 5154950482206. Its totient is φ = 1421164293120.

The previous prime is 3126561445103. The next prime is 3126561445129. The reversal of 3126561445106 is 6015441656213.

It can be written as a sum of positive squares in only one way, i.e., 2451713982025 + 674847463081 = 1565795^2 + 821491^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3126561445103) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6459837455 + ... + 6459837938.

Almost surely, 2^{3126561445106} is an apocalyptic number.

3126561445106 is a deficient number, since it is larger than the sum of its proper divisors (2028389037100).

3126561445106 is a wasteful number, since it uses less digits than its factorization.

3126561445106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12919675417 (or 12919675406 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 44.

The spelling of 3126561445106 in words is "three trillion, one hundred twenty-six billion, five hundred sixty-one million, four hundred forty-five thousand, one hundred six".