25451105412000 has 384 divisors, whose sum is σ = 85360425696000. Its totient is φ = 6627122688000.

The previous prime is 25451105411999. The next prime is 25451105412053. The reversal of 25451105412000 is 21450115452.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 105371370 + ... + 105612630.

It is an arithmetic number, because the mean of its divisors is an integer number (222292775250).

Almost surely, 2^{25451105412000} is an apocalyptic number.

25451105412000 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 25451105412000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42680212848000).

25451105412000 is an abundant number, since it is smaller than the sum of its proper divisors (59909320284000).

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

25451105412000 is a wasteful number, since it uses less digits than its factorization.

25451105412000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241497 (or 241479 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 30.

Adding to 25451105412000 its reverse (21450115452), we get a palindrome (25472555527452).

The spelling of 25451105412000 in words is "twenty-five trillion, four hundred fifty-one billion, one hundred five million, four hundred twelve thousand".