12545750061 has 24 divisors (see below), whose sum is σ = 19570037760. Its totient is φ = 7698930336.

The previous prime is 12545750017. The next prime is 12545750069. The reversal of 12545750061 is 16005754521.

12545750061 is a `hidden beast` number, since 1 + 2 + 545 + 7 + 50 + 0 + 61 = 666.

It is not a de Polignac number, because 12545750061 - 2¹³ = 12545741869 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12545749998 and 12545750025.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12545750069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 107341 + ... + 191346.

It is an arithmetic number, because the mean of its divisors is an integer number (815418240).

Almost surely, 2^12545750061 is an apocalyptic number.

It is an amenable number.

12545750061 is a deficient number, since it is larger than the sum of its proper divisors (7024287699).

12545750061 is a wasteful number, since it uses less digits than its factorization.

12545750061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299065 (or 299062 counting only the distinct ones).

The product of its (nonzero) digits is 42000, while the sum is 36.

The spelling of 12545750061 in words is "twelve billion, five hundred forty-five million, seven hundred fifty thousand, sixty-one".