11926351437025 has 27 divisors (see below), whose sum is σ = 14898832908921. Its totient is φ = 9470533970880.

The previous prime is 11926351437019. The next prime is 11926351437037. The reversal of 11926351437025 is 52073415362911.

The square root of 11926351437025 is 3453455.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 2366406885969 + 9559944551056 = 1538313^2 + 3091916^2 .

It is not a de Polignac number, because 11926351437025 - 2⁹ = 11926351436513 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11926351437025.

It is an unprimeable number.

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 26 ways as a sum of consecutive naturals, for example, 2400148741 + ... + 2400153709.

Almost surely, 2^{11926351437025} is an apocalyptic number.

11926351437025 is the 3453455-th square number.

11926351437025 is the 1726728-th centered octagonal number.

It is an amenable number.

11926351437025 is a deficient number, since it is larger than the sum of its proper divisors (2972481471896).

11926351437025 is an frugal number, since it uses more digits than its factorization.

11926351437025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10226 (or 5113 counting only the distinct ones).

The product of its (nonzero) digits is 1360800, while the sum is 49.

Multiplying 11926351437025 by its sum of digits (49), we get a square (584391220414225 = 24174185²).

Adding to 11926351437025 its reverse (52073415362911), we get a palindrome (63999766799936).

The spelling of 11926351437025 in words is "eleven trillion, nine hundred twenty-six billion, three hundred fifty-one million, four hundred thirty-seven thousand, twenty-five".