12531580747775 has 24 divisors (see below), whose sum is σ = 15603105431088. Its totient is φ = 9984020000000.

The previous prime is 12531580747753. The next prime is 12531580747783. The reversal of 12531580747775 is 57774708513521.

It is not a de Polignac number, because 12531580747775 - 2²⁶ = 12531513638911 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 49452395 + ... + 49705155.

It is an arithmetic number, because the mean of its divisors is an integer number (650129392962).

Almost surely, 2^{12531580747775} is an apocalyptic number.

12531580747775 is a deficient number, since it is larger than the sum of its proper divisors (3071524683313).

12531580747775 is a wasteful number, since it uses less digits than its factorization.

12531580747775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260923 (or 260918 counting only the distinct ones).

The product of its (nonzero) digits is 57624000, while the sum is 62.

The spelling of 12531580747775 in words is "twelve trillion, five hundred thirty-one billion, five hundred eighty million, seven hundred forty-seven thousand, seven hundred seventy-five".