1021035045500 has 48 divisors (see below), whose sum is σ = 2231133157344. Its totient is φ = 408195590400.

The previous prime is 1021035045473. The next prime is 1021035045517. The reversal of 1021035045500 is 55405301201.

It is a self number, because there is not a number n which added to its sum of digits gives 1021035045500.

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, 391367 + ... + 1481633.

It is an arithmetic number, because the mean of its divisors is an integer number (46481940778).

Almost surely, 2^{1021035045500} is an apocalyptic number.

1021035045500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1021035045500 is an abundant number, since it is smaller than the sum of its proper divisors (1210098111844).

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

1021035045500 is a wasteful number, since it uses less digits than its factorization.

1021035045500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1092159 (or 1092147 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 26.

The spelling of 1021035045500 in words is "one trillion, twenty-one billion, thirty-five million, forty-five thousand, five hundred".