2001152015490 has 32 divisors (see below), whose sum is σ = 4832229663936. Its totient is φ = 530366667840.

The previous prime is 2001152015407. The next prime is 2001152015503. The reversal of 2001152015490 is 945102511002.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 204611881 + ... + 204621660.

It is an arithmetic number, because the mean of its divisors is an integer number (151007176998).

Almost surely, 2^{2001152015490} is an apocalyptic number.

2001152015490 is an abundant number, since it is smaller than the sum of its proper divisors (2831077648446).

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

2001152015490 is a wasteful number, since it uses less digits than its factorization.

2001152015490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 409233714.

The product of its (nonzero) digits is 3600, while the sum is 30.

Adding to 2001152015490 its reverse (945102511002), we get a palindrome (2946254526492).

The spelling of 2001152015490 in words is "two trillion, one billion, one hundred fifty-two million, fifteen thousand, four hundred ninety".