25506069954 has 16 divisors (see below), whose sum is σ = 52390846848. Its totient is φ = 8272238832.

The previous prime is 25506069887. The next prime is 25506069977. The reversal of 25506069954 is 45996060552.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 25506069897 and 25506069906.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 57445882 + ... + 57446325.

It is an arithmetic number, because the mean of its divisors is an integer number (3274427928).

Almost surely, 2^25506069954 is an apocalyptic number.

25506069954 is an abundant number, since it is smaller than the sum of its proper divisors (26884776894).

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

25506069954 is a wasteful number, since it uses less digits than its factorization.

25506069954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114892249.

The product of its (nonzero) digits is 2916000, while the sum is 51.

The spelling of 25506069954 in words is "twenty-five billion, five hundred six million, sixty-nine thousand, nine hundred fifty-four".