12501403143577 has 2 divisors, whose sum is σ = 12501403143578. Its totient is φ = 12501403143576.

The previous prime is 12501403143521. The next prime is 12501403143617. The reversal of 12501403143577 is 77534130410521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10622280345856 + 1879122797721 = 3259184^2 + 1370811^2 .

It is an emirp because it is prime and its reverse (77534130410521) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12501403143577 is a prime.

It is not a weakly prime, because it can be changed into another prime (12501403143077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6250701571788 + 6250701571789.

It is an arithmetic number, because the mean of its divisors is an integer number (6250701571789).

Almost surely, 2^{12501403143577} is an apocalyptic number.

It is an amenable number.

12501403143577 is a deficient number, since it is larger than the sum of its proper divisors (1).

12501403143577 is an equidigital number, since it uses as much as digits as its factorization.

12501403143577 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 352800, while the sum is 43.

The spelling of 12501403143577 in words is "twelve trillion, five hundred one billion, four hundred three million, one hundred forty-three thousand, five hundred seventy-seven".