12535540248 has 192 divisors, whose sum is σ = 39979526400. Its totient is φ = 3238798080.

The previous prime is 12535540211. The next prime is 12535540249. The reversal of 12535540248 is 84204553521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12535540249) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2545933 + ... + 2550851.

It is an arithmetic number, because the mean of its divisors is an integer number (208226700).

Almost surely, 2^12535540248 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12535540248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19989763200).

12535540248 is an abundant number, since it is smaller than the sum of its proper divisors (27443986152).

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

12535540248 is a wasteful number, since it uses less digits than its factorization.

12535540248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5150 (or 5139 counting only the distinct ones).

The product of its (nonzero) digits is 192000, while the sum is 39.

The spelling of 12535540248 in words is "twelve billion, five hundred thirty-five million, five hundred forty thousand, two hundred forty-eight".