12511350547 has 2 divisors, whose sum is σ = 12511350548. Its totient is φ = 12511350546.

The previous prime is 12511350497. The next prime is 12511350571. The reversal of 12511350547 is 74505311521.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12511350547 is a prime.

It is not a weakly prime, because it can be changed into another prime (12511350347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6255675273 + 6255675274.

It is an arithmetic number, because the mean of its divisors is an integer number (6255675274).

Almost surely, 2^12511350547 is an apocalyptic number.

12511350547 is a deficient number, since it is larger than the sum of its proper divisors (1).

12511350547 is an equidigital number, since it uses as much as digits as its factorization.

12511350547 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21000, while the sum is 34.

The spelling of 12511350547 in words is "twelve billion, five hundred eleven million, three hundred fifty thousand, five hundred forty-seven".