1021152554004 has 48 divisors (see below), whose sum is σ = 2611616426496. Its totient is φ = 307973618400.

The previous prime is 1021152553979. The next prime is 1021152554033. The reversal of 1021152554004 is 4004552511201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18303912 + ... + 18359615.

It is an arithmetic number, because the mean of its divisors is an integer number (54408675552).

Almost surely, 2^{1021152554004} is an apocalyptic number.

It is an amenable number.

1021152554004 is an abundant number, since it is smaller than the sum of its proper divisors (1590463872492).

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

1021152554004 is a wasteful number, since it uses less digits than its factorization.

1021152554004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36663756 (or 36663754 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 30.

The spelling of 1021152554004 in words is "one trillion, twenty-one billion, one hundred fifty-two million, five hundred fifty-four thousand, four".