15143060665131 has 16 divisors (see below), whose sum is σ = 23117792832768. Its totient is φ = 8637182733600.

The previous prime is 15143060665127. The next prime is 15143060665171. The reversal of 15143060665131 is 13156606034151.

It is not a de Polignac number, because 15143060665131 - 2² = 15143060665127 is a prime.

It is a super-2 number, since 2×15143060665131² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (15143060665111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 666437925 + ... + 666460646.

It is an arithmetic number, because the mean of its divisors is an integer number (1444862052048).

Almost surely, 2^{15143060665131} is an apocalyptic number.

15143060665131 is a deficient number, since it is larger than the sum of its proper divisors (7974732167637).

15143060665131 is a wasteful number, since it uses less digits than its factorization.

15143060665131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1332899122.

The product of its (nonzero) digits is 194400, while the sum is 42.

Adding to 15143060665131 its reverse (13156606034151), we get a palindrome (28299666699282).

The spelling of 15143060665131 in words is "fifteen trillion, one hundred forty-three billion, sixty million, six hundred sixty-five thousand, one hundred thirty-one".