13143021015 has 16 divisors (see below), whose sum is σ = 21476256768. Its totient is φ = 6860470176.

The previous prime is 13143021013. The next prime is 13143021029. The reversal of 13143021015 is 51012034131.

It is not a de Polignac number, because 13143021015 - 2¹ = 13143021013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13143020982 and 13143021000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13143021013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9320587 + ... + 9321996.

It is an arithmetic number, because the mean of its divisors is an integer number (1342266048).

Almost surely, 2^13143021015 is an apocalyptic number.

13143021015 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13143021015 is a deficient number, since it is larger than the sum of its proper divisors (8333235753).

13143021015 is a wasteful number, since it uses less digits than its factorization.

13143021015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18642638.

The product of its (nonzero) digits is 360, while the sum is 21.

Adding to 13143021015 its reverse (51012034131), we get a palindrome (64155055146).

The spelling of 13143021015 in words is "thirteen billion, one hundred forty-three million, twenty-one thousand, fifteen".