25001036216 has 16 divisors (see below), whose sum is σ = 50482861800. Its totient is φ = 11538939744.

The previous prime is 25001036183. The next prime is 25001036219. The reversal of 25001036216 is 61263010052.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25001036219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 120197186 + ... + 120197393.

Almost surely, 2^25001036216 is an apocalyptic number.

25001036216 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

25001036216 is an abundant number, since it is smaller than the sum of its proper divisors (25481825584).

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

25001036216 is a wasteful number, since it uses less digits than its factorization.

25001036216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240394598 (or 240394594 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 26.

Adding to 25001036216 its reverse (61263010052), we get a palindrome (86264046268).

The spelling of 25001036216 in words is "twenty-five billion, one million, thirty-six thousand, two hundred sixteen".