11525132120445 has 24 divisors (see below), whose sum is σ = 19986800094456. Its totient is φ = 6143689617408.

The previous prime is 11525132120399. The next prime is 11525132120477. The reversal of 11525132120445 is 54402123152511.

11525132120445 is a `hidden beast` number, since 1 + 1 + 525 + 1 + 3 + 2 + 120 + 4 + 4 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 403100549604 + 11122031570841 = 634902^2 + 3334971^2 .

It is not a de Polignac number, because 11525132120445 - 2⁷ = 11525132120317 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 63398092 + ... + 63579621.

It is an arithmetic number, because the mean of its divisors is an integer number (832783337269).

Almost surely, 2^{11525132120445} is an apocalyptic number.

11525132120445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11525132120445 is a deficient number, since it is larger than the sum of its proper divisors (8461667974011).

11525132120445 is a wasteful number, since it uses less digits than its factorization.

11525132120445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126979741 (or 126979738 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 36.

Adding to 11525132120445 its reverse (54402123152511), we get a palindrome (65927255272956).

The spelling of 11525132120445 in words is "eleven trillion, five hundred twenty-five billion, one hundred thirty-two million, one hundred twenty thousand, four hundred forty-five".