102125455445137 has 2 divisors, whose sum is σ = 102125455445138. Its totient is φ = 102125455445136.

The previous prime is 102125455445113. The next prime is 102125455445239. The reversal of 102125455445137 is 731544554521201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 77256523205761 + 24868932239376 = 8789569^2 + 4986876^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102125455445137 is a prime.

It is not a weakly prime, because it can be changed into another prime (102125455445537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51062727722568 + 51062727722569.

It is an arithmetic number, because the mean of its divisors is an integer number (51062727722569).

Almost surely, 2^{102125455445137} is an apocalyptic number.

It is an amenable number.

102125455445137 is a deficient number, since it is larger than the sum of its proper divisors (1).

102125455445137 is an equidigital number, since it uses as much as digits as its factorization.

102125455445137 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3360000, while the sum is 49.

The spelling of 102125455445137 in words is "one hundred two trillion, one hundred twenty-five billion, four hundred fifty-five million, four hundred forty-five thousand, one hundred thirty-seven".