25122728334648 has 64 divisors (see below), whose sum is σ = 71801510123520. Its totient is φ = 7175693750400.

The previous prime is 25122728334541. The next prime is 25122728334667. The reversal of 25122728334648 is 84643382722152.

It is a hoax number, since the sum of its digits (57) coincides with the sum of the digits of its distinct prime factors.

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 15 ways as a sum of consecutive naturals, for example, 22672168 + ... + 23754423.

It is an arithmetic number, because the mean of its divisors is an integer number (1121898595680).

Almost surely, 2^{25122728334648} is an apocalyptic number.

25122728334648 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

25122728334648 is an abundant number, since it is smaller than the sum of its proper divisors (46678781788872).

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

25122728334648 is a wasteful number, since it uses less digits than its factorization.

25122728334648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46429828 (or 46429824 counting only the distinct ones).

The product of its digits is 30965760, while the sum is 57.

The spelling of 25122728334648 in words is "twenty-five trillion, one hundred twenty-two billion, seven hundred twenty-eight million, three hundred thirty-four thousand, six hundred forty-eight".