25127920345413 has 16 divisors (see below), whose sum is σ = 34864122839040. Its totient is φ = 16085038481904.

The previous prime is 25127920345397. The next prime is 25127920345439. The reversal of 25127920345413 is 31454302972152.

It is not a de Polignac number, because 25127920345413 - 2⁴ = 25127920345397 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25127920345453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1650755781 + ... + 1650771002.

It is an arithmetic number, because the mean of its divisors is an integer number (2179007677440).

Almost surely, 2^{25127920345413} is an apocalyptic number.

It is an amenable number.

25127920345413 is a deficient number, since it is larger than the sum of its proper divisors (9736202493627).

25127920345413 is a wasteful number, since it uses less digits than its factorization.

25127920345413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3301526888.

The product of its (nonzero) digits is 1814400, while the sum is 48.

The spelling of 25127920345413 in words is "twenty-five trillion, one hundred twenty-seven billion, nine hundred twenty million, three hundred forty-five thousand, four hundred thirteen".