25786407801 has 16 divisors (see below), whose sum is σ = 42865717248. Its totient is φ = 13395536400.

The previous prime is 25786407797. The next prime is 25786407877. The reversal of 25786407801 is 10870468752.

It is not a de Polignac number, because 25786407801 - 2² = 25786407797 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25786407401) 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, 55814505 + ... + 55814966.

It is an arithmetic number, because the mean of its divisors is an integer number (2679107328).

Almost surely, 2^25786407801 is an apocalyptic number.

25786407801 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

25786407801 is a deficient number, since it is larger than the sum of its proper divisors (17079309447).

25786407801 is a wasteful number, since it uses less digits than its factorization.

25786407801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111629492.

The product of its (nonzero) digits is 752640, while the sum is 48.

The spelling of 25786407801 in words is "twenty-five billion, seven hundred eighty-six million, four hundred seven thousand, eight hundred one".