25541454312 has 192 divisors, whose sum is σ = 78665745600. Its totient is φ = 7417681920.

The previous prime is 25541454283. The next prime is 25541454317. The reversal of 25541454312 is 21345414552.

25541454312 is a `hidden beast` number, since 25 + 541 + 45 + 43 + 12 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (25541454317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1956864 + ... + 1969872.

It is an arithmetic number, because the mean of its divisors is an integer number (409717425).

Almost surely, 2^25541454312 is an apocalyptic number.

25541454312 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 25541454312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39332872800).

25541454312 is an abundant number, since it is smaller than the sum of its proper divisors (53124291288).

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

25541454312 is a wasteful number, since it uses less digits than its factorization.

25541454312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13136 (or 13129 counting only the distinct ones).

The product of its digits is 96000, while the sum is 36.

Adding to 25541454312 its reverse (21345414552), we get a palindrome (46886868864).

The spelling of 25541454312 in words is "twenty-five billion, five hundred forty-one million, four hundred fifty-four thousand, three hundred twelve".