2001152015489 has 12 divisors (see below), whose sum is σ = 2236894962960. Its totient is φ = 1788394707000.

The previous prime is 2001152015407. The next prime is 2001152015503. The reversal of 2001152015489 is 9845102511002.

It is not a de Polignac number, because 2001152015489 - 2²⁴ = 2001135238273 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2001152095489) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 140149187 + ... + 140163464.

It is an arithmetic number, because the mean of its divisors is an integer number (186407913580).

Almost surely, 2^{2001152015489} is an apocalyptic number.

It is an amenable number.

2001152015489 is a deficient number, since it is larger than the sum of its proper divisors (235742947471).

2001152015489 is a wasteful number, since it uses less digits than its factorization.

2001152015489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280312732 (or 280312721 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 38.

The spelling of 2001152015489 in words is "two trillion, one billion, one hundred fifty-two million, fifteen thousand, four hundred eighty-nine".