12040757525545 has 32 divisors (see below), whose sum is σ = 16677743878656. Its totient is φ = 8174178816000.

The previous prime is 12040757525543. The next prime is 12040757525569. The reversal of 12040757525545 is 54552575704021.

It is not a de Polignac number, because 12040757525545 - 2¹ = 12040757525543 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12040757525492 and 12040757525501.

It is not an unprimeable number, because it can be changed into a prime (12040757525543) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 51696300 + ... + 51928690.

It is an arithmetic number, because the mean of its divisors is an integer number (521179496208).

Almost surely, 2^{12040757525545} is an apocalyptic number.

It is an amenable number.

12040757525545 is a deficient number, since it is larger than the sum of its proper divisors (4636986353111).

12040757525545 is a wasteful number, since it uses less digits than its factorization.

12040757525545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247161.

The product of its (nonzero) digits is 9800000, while the sum is 52.

The spelling of 12040757525545 in words is "twelve trillion, forty billion, seven hundred fifty-seven million, five hundred twenty-five thousand, five hundred forty-five".