162001122515 has 16 divisors (see below), whose sum is σ = 206539266528. Its totient is φ = 121560992256.

The previous prime is 162001122433. The next prime is 162001122593. The reversal of 162001122515 is 515221100261.

It is a cyclic number.

It is not a de Polignac number, because 162001122515 - 2²⁸ = 161732687059 is a prime.

It is a super-2 number, since 2×162001122515² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

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, 3227477 + ... + 3277286.

It is an arithmetic number, because the mean of its divisors is an integer number (12908704158).

Almost surely, 2^162001122515 is an apocalyptic number.

162001122515 is a deficient number, since it is larger than the sum of its proper divisors (44538144013).

162001122515 is a wasteful number, since it uses less digits than its factorization.

162001122515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6505078.

The product of its (nonzero) digits is 1200, while the sum is 26.

Adding to 162001122515 its reverse (515221100261), we get a palindrome (677222222776).

The spelling of 162001122515 in words is "one hundred sixty-two billion, one million, one hundred twenty-two thousand, five hundred fifteen".