2001071071215 has 12 divisors (see below), whose sum is σ = 3468523190184. Its totient is φ = 1067237904624.

The previous prime is 2001071071193. The next prime is 2001071071231. The reversal of 2001071071215 is 5121701701002.

It is not a de Polignac number, because 2001071071215 - 2⁸ = 2001071070959 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22234122969 + ... + 22234123058.

It is an arithmetic number, because the mean of its divisors is an integer number (289043599182).

Almost surely, 2^{2001071071215} is an apocalyptic number.

2001071071215 is a deficient number, since it is larger than the sum of its proper divisors (1467452118969).

2001071071215 is a wasteful number, since it uses less digits than its factorization.

2001071071215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44468246038 (or 44468246035 counting only the distinct ones).

The product of its (nonzero) digits is 980, while the sum is 27.

Adding to 2001071071215 its reverse (5121701701002), we get a palindrome (7122772772217).

The spelling of 2001071071215 in words is "two trillion, one billion, seventy-one million, seventy-one thousand, two hundred fifteen".