11556610077125 has 8 divisors (see below), whose sum is σ = 14422649376408. Its totient is φ = 9245288061600.

The previous prime is 11556610077121. The next prime is 11556610077157. The reversal of 11556610077125 is 52177001665511.

11556610077125 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 2543441263489 + 9013168813636 = 1594817^2 + 3002194^2 .

It is not a de Polignac number, because 11556610077125 - 2² = 11556610077121 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 11556610077125.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11556610077121) 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, 46226440184 + ... + 46226440433.

It is an arithmetic number, because the mean of its divisors is an integer number (1802831172051).

Almost surely, 2^{11556610077125} is an apocalyptic number.

It is an amenable number.

11556610077125 is a deficient number, since it is larger than the sum of its proper divisors (2866039299283).

11556610077125 is an frugal number, since it uses more digits than its factorization.

11556610077125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92452880632 (or 92452880622 counting only the distinct ones).

The product of its (nonzero) digits is 441000, while the sum is 47.

The spelling of 11556610077125 in words is "eleven trillion, five hundred fifty-six billion, six hundred ten million, seventy-seven thousand, one hundred twenty-five".