12535310656 has 56 divisors (see below), whose sum is σ = 27581047200. Its totient is φ = 5604441600.

The previous prime is 12535310653. The next prime is 12535310657. The reversal of 12535310656 is 65601353521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12535310653) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103006 + ... + 188893.

It is an arithmetic number, because the mean of its divisors is an integer number (492518700).

Almost surely, 2^12535310656 is an apocalyptic number.

12535310656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12535310656 is an abundant number, since it is smaller than the sum of its proper divisors (15045736544).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12535310656 is a wasteful number, since it uses less digits than its factorization.

12535310656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291983 (or 291973 counting only the distinct ones).

The product of its (nonzero) digits is 81000, while the sum is 37.

The spelling of 12535310656 in words is "twelve billion, five hundred thirty-five million, three hundred ten thousand, six hundred fifty-six".