1021116925976 has 64 divisors (see below), whose sum is σ = 2438757849600. Its totient is φ = 390201242112.

The previous prime is 1021116925967. The next prime is 1021116925991. The reversal of 1021116925976 is 6795296111201.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28208276 + ... + 28244451.

It is an arithmetic number, because the mean of its divisors is an integer number (38105591400).

Almost surely, 2^{1021116925976} is an apocalyptic number.

It is an amenable number.

1021116925976 is an abundant number, since it is smaller than the sum of its proper divisors (1417640923624).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1021116925976 is a wasteful number, since it uses less digits than its factorization.

1021116925976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56452776 (or 56452772 counting only the distinct ones).

The product of its (nonzero) digits is 408240, while the sum is 50.

The spelling of 1021116925976 in words is "one trillion, twenty-one billion, one hundred sixteen million, nine hundred twenty-five thousand, nine hundred seventy-six".