25120511426 has 4 divisors (see below), whose sum is σ = 37680767142. Its totient is φ = 12560255712.

The previous prime is 25120511411. The next prime is 25120511503. The reversal of 25120511426 is 62411502152.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 17314612225 + 7805899201 = 131585^2 + 88351^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6280127855 + ... + 6280127858.

Almost surely, 2^25120511426 is an apocalyptic number.

25120511426 is a deficient number, since it is larger than the sum of its proper divisors (12560255716).

25120511426 is a wasteful number, since it uses less digits than its factorization.

25120511426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12560255715.

The product of its (nonzero) digits is 4800, while the sum is 29.

The spelling of 25120511426 in words is "twenty-five billion, one hundred twenty million, five hundred eleven thousand, four hundred twenty-six".