11660126525 has 12 divisors (see below), whose sum is σ = 14481133044. Its totient is φ = 9313536000.

The previous prime is 11660126479. The next prime is 11660126537. The reversal of 11660126525 is 52562106611.

It can be written as a sum of positive squares in 6 ways, for example, as 378925156 + 11281201369 = 19466^2 + 106213^2 .

It is not a de Polignac number, because 11660126525 - 2²⁰ = 11659077949 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 347786 + ... + 379835.

It is an arithmetic number, because the mean of its divisors is an integer number (1206761087).

Almost surely, 2^11660126525 is an apocalyptic number.

It is an amenable number.

11660126525 is a deficient number, since it is larger than the sum of its proper divisors (2821006519).

11660126525 is an equidigital number, since it uses as much as digits as its factorization.

11660126525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 728272 (or 728267 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 35.

The spelling of 11660126525 in words is "eleven billion, six hundred sixty million, one hundred twenty-six thousand, five hundred twenty-five".