1002145535508 has 24 divisors (see below), whose sum is σ = 2518211858848. Its totient is φ = 308352472416.

The previous prime is 1002145535491. The next prime is 1002145535513. The reversal of 1002145535508 is 8055355412001.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

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, 3212004766 + ... + 3212005077.

Almost surely, 2^{1002145535508} is an apocalyptic number.

It is an amenable number.

1002145535508 is an abundant number, since it is smaller than the sum of its proper divisors (1516066323340).

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

1002145535508 is a wasteful number, since it uses less digits than its factorization.

1002145535508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6424009863 (or 6424009861 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 39.

The spelling of 1002145535508 in words is "one trillion, two billion, one hundred forty-five million, five hundred thirty-five thousand, five hundred eight".