125016540287 has 2 divisors, whose sum is σ = 125016540288. Its totient is φ = 125016540286.

The previous prime is 125016540263. The next prime is 125016540293. The reversal of 125016540287 is 782045610521.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 125016540287 - 2⁶ = 125016540223 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125016540487) 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, 62508270143 + 62508270144.

It is an arithmetic number, because the mean of its divisors is an integer number (62508270144).

Almost surely, 2^125016540287 is an apocalyptic number.

125016540287 is a deficient number, since it is larger than the sum of its proper divisors (1).

125016540287 is an equidigital number, since it uses as much as digits as its factorization.

125016540287 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 134400, while the sum is 41.

The spelling of 125016540287 in words is "one hundred twenty-five billion, sixteen million, five hundred forty thousand, two hundred eighty-seven".