25505451010 has 16 divisors (see below), whose sum is σ = 49441336056. Its totient is φ = 9417397248.

The previous prime is 25505450953. The next prime is 25505451017. The reversal of 25505451010 is 1015450552.

It can be written as a sum of positive squares in 4 ways, for example, as 18405534889 + 7099916121 = 135667^2 + 84261^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 25505451010.

It is not an unprimeable number, because it can be changed into a prime (25505451017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98097759 + ... + 98098018.

Almost surely, 2^25505451010 is an apocalyptic number.

25505451010 is a deficient number, since it is larger than the sum of its proper divisors (23935885046).

25505451010 is a wasteful number, since it uses less digits than its factorization.

25505451010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196195797.

The product of its (nonzero) digits is 5000, while the sum is 28.

The spelling of 25505451010 in words is "twenty-five billion, five hundred five million, four hundred fifty-one thousand, ten".