12535025505 has 16 divisors (see below), whose sum is σ = 20338521984. Its totient is φ = 6591186560.

The previous prime is 12535025483. The next prime is 12535025509. The reversal of 12535025505 is 50552053521.

It is not a de Polignac number, because 12535025505 - 2⁵ = 12535025473 is a prime.

It is a super-2 number, since 2×12535025505² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12535025509) 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, 5883924 + ... + 5886053.

It is an arithmetic number, because the mean of its divisors is an integer number (1271157624).

Almost surely, 2^12535025505 is an apocalyptic number.

12535025505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12535025505 is a deficient number, since it is larger than the sum of its proper divisors (7803496479).

12535025505 is a wasteful number, since it uses less digits than its factorization.

12535025505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11770056.

The product of its (nonzero) digits is 37500, while the sum is 33.

The spelling of 12535025505 in words is "twelve billion, five hundred thirty-five million, twenty-five thousand, five hundred five".