1515142323013 has 16 divisors (see below), whose sum is σ = 1674020678400. Its totient is φ = 1359791484480.

The previous prime is 1515142323001. The next prime is 1515142323031. The reversal of 1515142323013 is 3103232415151.

It is a de Polignac number, because none of the positive numbers 2^k-1515142323013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1515142323113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6889803 + ... + 7106311.

It is an arithmetic number, because the mean of its divisors is an integer number (104626292400).

Almost surely, 2^{1515142323013} is an apocalyptic number.

It is an amenable number.

1515142323013 is a deficient number, since it is larger than the sum of its proper divisors (158878355387).

1515142323013 is a wasteful number, since it uses less digits than its factorization.

1515142323013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224652.

The product of its (nonzero) digits is 10800, while the sum is 31.

Adding to 1515142323013 its reverse (3103232415151), we get a palindrome (4618374738164).

The spelling of 1515142323013 in words is "one trillion, five hundred fifteen billion, one hundred forty-two million, three hundred twenty-three thousand, thirteen".