75557525123 has 2 divisors, whose sum is σ = 75557525124. Its totient is φ = 75557525122.

The previous prime is 75557525077. The next prime is 75557525149. The reversal of 75557525123 is 32152575557.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 75557525123 - 2⁶ = 75557525059 is a prime.

It is not a weakly prime, because it can be changed into another prime (75557525023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37778762561 + 37778762562.

It is an arithmetic number, because the mean of its divisors is an integer number (37778762562).

Almost surely, 2^75557525123 is an apocalyptic number.

75557525123 is a deficient number, since it is larger than the sum of its proper divisors (1).

75557525123 is an equidigital number, since it uses as much as digits as its factorization.

75557525123 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1837500, while the sum is 47.

The spelling of 75557525123 in words is "seventy-five billion, five hundred fifty-seven million, five hundred twenty-five thousand, one hundred twenty-three".