25666372051140 has 48 divisors (see below), whose sum is σ = 71877413522880. Its totient is φ = 6843263806080.

The previous prime is 25666372051129. The next prime is 25666372051147. The reversal of 25666372051140 is 4115027366652.

It is a self number, because there is not a number n which added to its sum of digits gives 25666372051140.

It is not an unprimeable number, because it can be changed into a prime (25666372051147) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34064055 + ... + 34809374.

It is an arithmetic number, because the mean of its divisors is an integer number (1497446115060).

Almost surely, 2^{25666372051140} is an apocalyptic number.

25666372051140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25666372051140 is an abundant number, since it is smaller than the sum of its proper divisors (46211041471740).

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

25666372051140 is a wasteful number, since it uses less digits than its factorization.

25666372051140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68879652 (or 68879650 counting only the distinct ones).

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

The spelling of 25666372051140 in words is "twenty-five trillion, six hundred sixty-six billion, three hundred seventy-two million, fifty-one thousand, one hundred forty".