3115646466445 has 32 divisors (see below), whose sum is σ = 3762003696480. Its totient is φ = 2477088768000.

The previous prime is 3115646466391. The next prime is 3115646466523. The reversal of 3115646466445 is 5446646465113.

It can be written as a sum of positive squares in 16 ways, for example, as 2005208930916 + 1110437535529 = 1416054^2 + 1053773^2 .

It is not a de Polignac number, because 3115646466445 - 2²¹ = 3115644369293 is a prime.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 1308544155 + ... + 1308546535.

It is an arithmetic number, because the mean of its divisors is an integer number (117562615515).

Almost surely, 2^{3115646466445} is an apocalyptic number.

It is an amenable number.

3115646466445 is a deficient number, since it is larger than the sum of its proper divisors (646357230035).

3115646466445 is a wasteful number, since it uses less digits than its factorization.

3115646466445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4737.

The product of its digits is 24883200, while the sum is 55.

The spelling of 3115646466445 in words is "three trillion, one hundred fifteen billion, six hundred forty-six million, four hundred sixty-six thousand, four hundred forty-five".