12535555523000 has 128 divisors (see below), whose sum is σ = 31062670067520. Its totient is φ = 4718662041600.

The previous prime is 12535555522967. The next prime is 12535555523063. The reversal of 12535555523000 is 32555553521.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 145527944 + ... + 145614056.

Almost surely, 2^{12535555523000} is an apocalyptic number.

12535555523000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12535555523000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15531335033760).

12535555523000 is an abundant number, since it is smaller than the sum of its proper divisors (18527114544520).

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

12535555523000 is a wasteful number, since it uses less digits than its factorization.

12535555523000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94714 (or 94700 counting only the distinct ones).

The product of its (nonzero) digits is 562500, while the sum is 41.

The spelling of 12535555523000 in words is "twelve trillion, five hundred thirty-five billion, five hundred fifty-five million, five hundred twenty-three thousand".