12761525407 has 2 divisors, whose sum is σ = 12761525408. Its totient is φ = 12761525406.

The previous prime is 12761525401. The next prime is 12761525411. The reversal of 12761525407 is 70452516721.

It is a strong prime.

It is an emirp because it is prime and its reverse (70452516721) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12761525407 - 2¹⁹ = 12761001119 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12761525407.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12761525401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6380762703 + 6380762704.

It is an arithmetic number, because the mean of its divisors is an integer number (6380762704).

Almost surely, 2^12761525407 is an apocalyptic number.

12761525407 is a deficient number, since it is larger than the sum of its proper divisors (1).

12761525407 is an equidigital number, since it uses as much as digits as its factorization.

12761525407 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 117600, while the sum is 40.

The spelling of 12761525407 in words is "twelve billion, seven hundred sixty-one million, five hundred twenty-five thousand, four hundred seven".