25501001035412 has 144 divisors (see below), whose sum is σ = 54366220339200. Its totient is φ = 10250537817600.

The previous prime is 25501001035397. The next prime is 25501001035481. The reversal of 25501001035412 is 21453010010552.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8282233289 + ... + 8282236367.

It is an arithmetic number, because the mean of its divisors is an integer number (377543196800).

Almost surely, 2^{25501001035412} 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 25501001035412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27183110169600).

25501001035412 is an abundant number, since it is smaller than the sum of its proper divisors (28865219303788).

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

25501001035412 is a wasteful number, since it uses less digits than its factorization.

25501001035412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6334 (or 6315 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 29.

Adding to 25501001035412 its reverse (21453010010552), we get a palindrome (46954011045964).

The spelling of 25501001035412 in words is "twenty-five trillion, five hundred one billion, one million, thirty-five thousand, four hundred twelve".