26512485912 has 192 divisors, whose sum is σ = 80067312000. Its totient is φ = 7857561600.

The previous prime is 26512485893. The next prime is 26512485913. The reversal of 26512485912 is 21958421562.

26512485912 is a `hidden beast` number, since 2 + 6 + 5 + 12 + 48 + 591 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26512485913) 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, 9858264 + ... + 9860952.

It is an arithmetic number, because the mean of its divisors is an integer number (417017250).

Almost surely, 2^26512485912 is an apocalyptic number.

26512485912 is a gapful number since it is divisible by the number (22) 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 26512485912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40033656000).

26512485912 is an abundant number, since it is smaller than the sum of its proper divisors (53554826088).

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

26512485912 is a wasteful number, since it uses less digits than its factorization.

26512485912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2982 (or 2975 counting only the distinct ones).

The product of its digits is 345600, while the sum is 45.

The spelling of 26512485912 in words is "twenty-six billion, five hundred twelve million, four hundred eighty-five thousand, nine hundred twelve".