1002891562252 has 24 divisors (see below), whose sum is σ = 1772195233536. Its totient is φ = 496550592528.

The previous prime is 1002891562247. The next prime is 1002891562301. The reversal of 1002891562252 is 2522651982001.

1002891562252 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 1002891562199 and 1002891562208.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9150843 + ... + 9259789.

It is an arithmetic number, because the mean of its divisors is an integer number (73841468064).

Almost surely, 2^{1002891562252} is an apocalyptic number.

It is an amenable number.

1002891562252 is a deficient number, since it is larger than the sum of its proper divisors (769303671284).

1002891562252 is a wasteful number, since it uses less digits than its factorization.

1002891562252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131397 (or 131395 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 43.

The spelling of 1002891562252 in words is "one trillion, two billion, eight hundred ninety-one million, five hundred sixty-two thousand, two hundred fifty-two".