12315142535 has 16 divisors (see below), whose sum is σ = 14928740640. Its totient is φ = 9752234880.

The previous prime is 12315142501. The next prime is 12315142549. The reversal of 12315142535 is 53524151321.

It is not a de Polignac number, because 12315142535 - 2¹⁶ = 12315076999 is a prime.

It is a congruent 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, 167000 + ... + 229170.

It is an arithmetic number, because the mean of its divisors is an integer number (933046290).

Almost surely, 2^12315142535 is an apocalyptic number.

12315142535 is a deficient number, since it is larger than the sum of its proper divisors (2613598105).

12315142535 is a wasteful number, since it uses less digits than its factorization.

12315142535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62578.

The product of its digits is 18000, while the sum is 32.

Adding to 12315142535 its reverse (53524151321), we get a palindrome (65839293856).

The spelling of 12315142535 in words is "twelve billion, three hundred fifteen million, one hundred forty-two thousand, five hundred thirty-five".