25364504506 has 16 divisors (see below), whose sum is σ = 41615079840. Its totient is φ = 11498896080.

The previous prime is 25364504497. The next prime is 25364504507. The reversal of 25364504506 is 60540546352.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (25364504507) 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, 1512681 + ... + 1529356.

It is an arithmetic number, because the mean of its divisors is an integer number (2600942490).

Almost surely, 2^25364504506 is an apocalyptic number.

25364504506 is a deficient number, since it is larger than the sum of its proper divisors (16250575334).

25364504506 is a wasteful number, since it uses less digits than its factorization.

25364504506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3042429.

The product of its (nonzero) digits is 432000, while the sum is 40.

The spelling of 25364504506 in words is "twenty-five billion, three hundred sixty-four million, five hundred four thousand, five hundred six".