25886651043 has 32 divisors (see below), whose sum is σ = 40006414080. Its totient is φ = 14765911680.

The previous prime is 25886651039. The next prime is 25886651057. The reversal of 25886651043 is 34015668852.

It is a happy number.

It is not a de Polignac number, because 25886651043 - 2² = 25886651039 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25886650983 and 25886651001.

It is not an unprimeable number, because it can be changed into a prime (25886651083) 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 31 ways as a sum of consecutive naturals, for example, 82296 + ... + 241962.

It is an arithmetic number, because the mean of its divisors is an integer number (1250200440).

Almost surely, 2^25886651043 is an apocalyptic number.

25886651043 is a deficient number, since it is larger than the sum of its proper divisors (14119763037).

25886651043 is a wasteful number, since it uses less digits than its factorization.

25886651043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159732 (or 159698 counting only the distinct ones).

The product of its (nonzero) digits is 1382400, while the sum is 48.

The spelling of 25886651043 in words is "twenty-five billion, eight hundred eighty-six million, six hundred fifty-one thousand, forty-three".