125756576503 has 2 divisors, whose sum is σ = 125756576504. Its totient is φ = 125756576502.

The previous prime is 125756576501. The next prime is 125756576507. The reversal of 125756576503 is 305675657521.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 125756576503 - 2¹ = 125756576501 is a prime.

Together with 125756576501, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125756576501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62878288251 + 62878288252.

It is an arithmetic number, because the mean of its divisors is an integer number (62878288252).

Almost surely, 2^125756576503 is an apocalyptic number.

125756576503 is a deficient number, since it is larger than the sum of its proper divisors (1).

125756576503 is an equidigital number, since it uses as much as digits as its factorization.

125756576503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6615000, while the sum is 52.

The spelling of 125756576503 in words is "one hundred twenty-five billion, seven hundred fifty-six million, five hundred seventy-six thousand, five hundred three".