125174755369 has 2 divisors, whose sum is σ = 125174755370. Its totient is φ = 125174755368.

The previous prime is 125174755367. The next prime is 125174755393. The reversal of 125174755369 is 963557471521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 64011530025 + 61163225344 = 253005^2 + 247312^2 .

It is an emirp because it is prime and its reverse (963557471521) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 125174755369 - 2¹ = 125174755367 is a prime.

It is a super-2 number, since 2×125174755369² (a number of 23 digits) contains 22 as substring.

Together with 125174755367, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (125174755367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62587377684 + 62587377685.

It is an arithmetic number, because the mean of its divisors is an integer number (62587377685).

Almost surely, 2^125174755369 is an apocalyptic number.

It is an amenable number.

125174755369 is a deficient number, since it is larger than the sum of its proper divisors (1).

125174755369 is an equidigital number, since it uses as much as digits as its factorization.

125174755369 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7938000, while the sum is 55.

The spelling of 125174755369 in words is "one hundred twenty-five billion, one hundred seventy-four million, seven hundred fifty-five thousand, three hundred sixty-nine".