125340322553 has 2 divisors, whose sum is σ = 125340322554. Its totient is φ = 125340322552.

The previous prime is 125340322529. The next prime is 125340322609. The reversal of 125340322553 is 355223043521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 67949891584 + 57390430969 = 260672^2 + 239563^2 .

It is a cyclic number.

It is not a de Polignac number, because 125340322553 - 2¹⁸ = 125340060409 is a prime.

It is not a weakly prime, because it can be changed into another prime (125340322253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62670161276 + 62670161277.

It is an arithmetic number, because the mean of its divisors is an integer number (62670161277).

Almost surely, 2^125340322553 is an apocalyptic number.

It is an amenable number.

125340322553 is a deficient number, since it is larger than the sum of its proper divisors (1).

125340322553 is an equidigital number, since it uses as much as digits as its factorization.

125340322553 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108000, while the sum is 35.

The spelling of 125340322553 in words is "one hundred twenty-five billion, three hundred forty million, three hundred twenty-two thousand, five hundred fifty-three".