25321026036 has 24 divisors (see below), whose sum is σ = 59199868224. Its totient is φ = 8423560000.

The previous prime is 25321026013. The next prime is 25321026037. The reversal of 25321026036 is 63062012352.

It is a junction number, because it is equal to n+sod(n) for n = 25321025994 and 25321026012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25321026037) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2091465 + ... + 2103536.

It is an arithmetic number, because the mean of its divisors is an integer number (2466661176).

Almost surely, 2^25321026036 is an apocalyptic number.

It is an amenable number.

25321026036 is an abundant number, since it is smaller than the sum of its proper divisors (33878842188).

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

25321026036 is a wasteful number, since it uses less digits than its factorization.

25321026036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4195511 (or 4195509 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 30.

Adding to 25321026036 its reverse (63062012352), we get a palindrome (88383038388).

The spelling of 25321026036 in words is "twenty-five billion, three hundred twenty-one million, twenty-six thousand, thirty-six".