1020886831745 has 16 divisors (see below), whose sum is σ = 1341979056000. Its totient is φ = 739382380800.

The previous prime is 1020886831703. The next prime is 1020886831753. The reversal of 1020886831745 is 5471386880201.

It is not a de Polignac number, because 1020886831745 - 2⁶ = 1020886831681 is a prime.

It is a Curzon 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 15 ways as a sum of consecutive naturals, for example, 38496245 + ... + 38522754.

It is an arithmetic number, because the mean of its divisors is an integer number (83873691000).

Almost surely, 2^{1020886831745} is an apocalyptic number.

It is an amenable number.

1020886831745 is a deficient number, since it is larger than the sum of its proper divisors (321092224255).

1020886831745 is a wasteful number, since it uses less digits than its factorization.

1020886831745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77019256.

The product of its (nonzero) digits is 2580480, while the sum is 53.

The spelling of 1020886831745 in words is "one trillion, twenty billion, eight hundred eighty-six million, eight hundred thirty-one thousand, seven hundred forty-five".