2001214515 has 16 divisors (see below), whose sum is σ = 3202990848. Its totient is φ = 1066965216.

The previous prime is 2001214489. The next prime is 2001214529. The reversal of 2001214515 is 5154121002.

It is not a de Polignac number, because 2001214515 - 2¹⁷ = 2001083443 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2001214491 and 2001214500.

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, 29434 + ... + 69776.

It is an arithmetic number, because the mean of its divisors is an integer number (200186928).

Almost surely, 2^2001214515 is an apocalyptic number.

2001214515 is a deficient number, since it is larger than the sum of its proper divisors (1201776333).

2001214515 is a wasteful number, since it uses less digits than its factorization.

2001214515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43658.

The product of its (nonzero) digits is 400, while the sum is 21.

The square root of 2001214515 is about 44734.9361796795. The cubic root of 2001214515 is about 1260.1760304579.

Adding to 2001214515 its reverse (5154121002), we get a palindrome (7155335517).

The spelling of 2001214515 in words is "two billion, one million, two hundred fourteen thousand, five hundred fifteen".