12511350497 has 2 divisors, whose sum is σ = 12511350498. Its totient is φ = 12511350496.

The previous prime is 12511350487. The next prime is 12511350547. The reversal of 12511350497 is 79405311521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12474432721 + 36917776 = 111689^2 + 6076^2 .

It is a cyclic number.

It is not a de Polignac number, because 12511350497 - 2²⁶ = 12444241633 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12511350497.

It is not a weakly prime, because it can be changed into another prime (12511350437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6255675248 + 6255675249.

It is an arithmetic number, because the mean of its divisors is an integer number (6255675249).

Almost surely, 2^12511350497 is an apocalyptic number.

It is an amenable number.

12511350497 is a deficient number, since it is larger than the sum of its proper divisors (1).

12511350497 is an equidigital number, since it uses as much as digits as its factorization.

12511350497 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 37800, while the sum is 38.

The spelling of 12511350497 in words is "twelve billion, five hundred eleven million, three hundred fifty thousand, four hundred ninety-seven".