125554244507 has 2 divisors, whose sum is σ = 125554244508. Its totient is φ = 125554244506.

The previous prime is 125554244423. The next prime is 125554244509. The reversal of 125554244507 is 705442455521.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 125554244507 - 2¹⁰ = 125554243483 is a prime.

Together with 125554244509, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (125554244509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62777122253 + 62777122254.

It is an arithmetic number, because the mean of its divisors is an integer number (62777122254).

Almost surely, 2^125554244507 is an apocalyptic number.

125554244507 is a deficient number, since it is larger than the sum of its proper divisors (1).

125554244507 is an equidigital number, since it uses as much as digits as its factorization.

125554244507 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1120000, while the sum is 44.

The spelling of 125554244507 in words is "one hundred twenty-five billion, five hundred fifty-four million, two hundred forty-four thousand, five hundred seven".