25109487391983 has 32 divisors (see below), whose sum is σ = 34833252960000. Its totient is φ = 16069370376192.

The previous prime is 25109487391957. The next prime is 25109487391991. The reversal of 25109487391983 is 38919378490152.

It is not a de Polignac number, because 25109487391983 - 2¹⁰ = 25109487390959 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25109487390983) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 92352303 + ... + 92623791.

It is an arithmetic number, because the mean of its divisors is an integer number (1088539155000).

Almost surely, 2^{25109487391983} is an apocalyptic number.

25109487391983 is a deficient number, since it is larger than the sum of its proper divisors (9723765568017).

25109487391983 is a wasteful number, since it uses less digits than its factorization.

25109487391983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277639.

The product of its (nonzero) digits is 117573120, while the sum is 69.

The spelling of 25109487391983 in words is "twenty-five trillion, one hundred nine billion, four hundred eighty-seven million, three hundred ninety-one thousand, nine hundred eighty-three".