25154955451256 has 24 divisors (see below), whose sum is σ = 49305377009280. Its totient is φ = 12030630865968.

The previous prime is 25154955451189. The next prime is 25154955451267. The reversal of 25154955451256 is 65215455945152.

It is a junction number, because it is equal to n+sod(n) for n = 25154955451195 and 25154955451204.

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 5 ways as a sum of consecutive naturals, for example, 2971989560 + ... + 2971998023.

It is an arithmetic number, because the mean of its divisors is an integer number (2054390708720).

Almost surely, 2^{25154955451256} is an apocalyptic number.

It is an amenable number.

25154955451256 is a deficient number, since it is larger than the sum of its proper divisors (24150421558024).

25154955451256 is a wasteful number, since it uses less digits than its factorization.

25154955451256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5943987635 (or 5943987608 counting only the distinct ones).

The product of its digits is 54000000, while the sum is 59.

The spelling of 25154955451256 in words is "twenty-five trillion, one hundred fifty-four billion, nine hundred fifty-five million, four hundred fifty-one thousand, two hundred fifty-six".