12135253115504 has 80 divisors (see below), whose sum is σ = 24307579881984. Its totient is φ = 5866301491200.

The previous prime is 12135253115477. The next prime is 12135253115561. The reversal of 12135253115504 is 40551135253121.

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, 20585009 + ... + 21166319.

Almost surely, 2^{12135253115504} is an apocalyptic number.

It is an amenable number.

12135253115504 is an abundant number, since it is smaller than the sum of its proper divisors (12172326766480).

12135253115504 is a wasteful number, since it uses less digits than its factorization.

12135253115504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 581746 (or 581740 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 38.

Adding to 12135253115504 its reverse (40551135253121), we get a palindrome (52686388368625).

The spelling of 12135253115504 in words is "twelve trillion, one hundred thirty-five billion, two hundred fifty-three million, one hundred fifteen thousand, five hundred four".