25122100155050 has 96 divisors (see below), whose sum is σ = 47607291402624. Its totient is φ = 9860979744000.

The previous prime is 25122100154947. The next prime is 25122100155133. The reversal of 25122100155050 is 5055100122152.

It is a super-2 number, since 2×25122100155050² (a number of 28 digits) contains 22 as substring.

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, 720288212 + ... + 720323088.

It is an arithmetic number, because the mean of its divisors is an integer number (495909285444).

Almost surely, 2^{25122100155050} is an apocalyptic number.

25122100155050 is a deficient number, since it is larger than the sum of its proper divisors (22485191247574).

25122100155050 is a wasteful number, since it uses less digits than its factorization.

25122100155050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35904 (or 35899 counting only the distinct ones).

The product of its (nonzero) digits is 5000, while the sum is 29.

The spelling of 25122100155050 in words is "twenty-five trillion, one hundred twenty-two billion, one hundred million, one hundred fifty-five thousand, fifty".