125251375037 has 2 divisors, whose sum is σ = 125251375038. Its totient is φ = 125251375036.

The previous prime is 125251374971. The next prime is 125251375043. The reversal of 125251375037 is 730573152521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 99468328996 + 25783046041 = 315386^2 + 160571^2 .

It is an emirp because it is prime and its reverse (730573152521) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 125251375037 - 2²² = 125247180733 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 125251374985 and 125251375003.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125251375097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62625687518 + 62625687519.

It is an arithmetic number, because the mean of its divisors is an integer number (62625687519).

Almost surely, 2^125251375037 is an apocalyptic number.

It is an amenable number.

125251375037 is a deficient number, since it is larger than the sum of its proper divisors (1).

125251375037 is an equidigital number, since it uses as much as digits as its factorization.

125251375037 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 220500, while the sum is 41.

The spelling of 125251375037 in words is "one hundred twenty-five billion, two hundred fifty-one million, three hundred seventy-five thousand, thirty-seven".