25180000648368 has 160 divisors (see below), whose sum is σ = 68088249216000. Its totient is φ = 8009888560128.

The previous prime is 25180000648367. The next prime is 25180000648373. The reversal of 25180000648368 is 86384600008152.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 25180000648368.

It is not an unprimeable number, because it can be changed into a prime (25180000648367) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 312370533 + ... + 312451131.

It is an arithmetic number, because the mean of its divisors is an integer number (425551557600).

Almost surely, 2^{25180000648368} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25180000648368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34044124608000).

25180000648368 is an abundant number, since it is smaller than the sum of its proper divisors (42908248567632).

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

25180000648368 is a wasteful number, since it uses less digits than its factorization.

25180000648368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84019 (or 84013 counting only the distinct ones).

The product of its (nonzero) digits is 2211840, while the sum is 51.

The spelling of 25180000648368 in words is "twenty-five trillion, one hundred eighty billion, six hundred forty-eight thousand, three hundred sixty-eight".