25969536000000 has 588 divisors, whose sum is σ = 93776115587856. Its totient is φ = 6924902400000.

The previous prime is 25969535999983. The next prime is 25969536000011. The reversal of 25969536000000 is 63596952.

25969536000000 is a `hidden beast` number, since 2 + 59 + 69 + 536 + 0 + 0 + 0 + 0 + 0 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 25969536000000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 41 ways as a sum of consecutive naturals, for example, 1151988729 + ... + 1152011271.

Almost surely, 2^{25969536000000} is an apocalyptic number.

25969536000000 is a gapful number since it is divisible by the number (20) 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 25969536000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46888057793928).

25969536000000 is an abundant number, since it is smaller than the sum of its proper divisors (67806579587856).

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

25969536000000 is an frugal number, since it uses more digits than its factorization.

25969536000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22605 (or 22553 counting only the distinct ones).

The product of its (nonzero) digits is 437400, while the sum is 45.

Adding to 25969536000000 its reverse (63596952), we get a palindrome (25969599596952).

The spelling of 25969536000000 in words is "twenty-five trillion, nine hundred sixty-nine billion, five hundred thirty-six million", and thus it is an aban number.