1071215207015 has 16 divisors (see below), whose sum is σ = 1288100651520. Its totient is φ = 855211785120.

The previous prime is 1071215206937. The next prime is 1071215207021. The reversal of 1071215207015 is 5107025121701.

It is not a de Polignac number, because 1071215207015 - 2²⁴ = 1071198429799 is a prime.

It is a super-2 number, since 2×1071215207015² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

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, 7077662 + ... + 7227428.

It is an arithmetic number, because the mean of its divisors is an integer number (80506290720).

Almost surely, 2^{1071215207015} is an apocalyptic number.

1071215207015 is a deficient number, since it is larger than the sum of its proper divisors (216885444505).

1071215207015 is a wasteful number, since it uses less digits than its factorization.

1071215207015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152702.

The product of its (nonzero) digits is 4900, while the sum is 32.

The spelling of 1071215207015 in words is "one trillion, seventy-one billion, two hundred fifteen million, two hundred seven thousand, fifteen".