125967496511 has 2 divisors, whose sum is σ = 125967496512. Its totient is φ = 125967496510.

The previous prime is 125967496493. The next prime is 125967496513. The reversal of 125967496511 is 115694769521.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (115694769521) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 125967496511 - 2¹⁴ = 125967480127 is a prime.

Together with 125967496513, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125967496513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62983748255 + 62983748256.

It is an arithmetic number, because the mean of its divisors is an integer number (62983748256).

Almost surely, 2^125967496511 is an apocalyptic number.

125967496511 is a deficient number, since it is larger than the sum of its proper divisors (1).

125967496511 is an equidigital number, since it uses as much as digits as its factorization.

125967496511 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4082400, while the sum is 56.

The spelling of 125967496511 in words is "one hundred twenty-five billion, nine hundred sixty-seven million, four hundred ninety-six thousand, five hundred eleven".