125054920163 has 2 divisors, whose sum is σ = 125054920164. Its totient is φ = 125054920162.

The previous prime is 125054920147. The next prime is 125054920213. The reversal of 125054920163 is 361029450521.

It is a weak prime.

It is an emirp because it is prime and its reverse (361029450521) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 125054920163 - 2⁴ = 125054920147 is a prime.

It is not a weakly prime, because it can be changed into another prime (125054920063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62527460081 + 62527460082.

It is an arithmetic number, because the mean of its divisors is an integer number (62527460082).

Almost surely, 2^125054920163 is an apocalyptic number.

125054920163 is a deficient number, since it is larger than the sum of its proper divisors (1).

125054920163 is an equidigital number, since it uses as much as digits as its factorization.

125054920163 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64800, while the sum is 38.

The spelling of 125054920163 in words is "one hundred twenty-five billion, fifty-four million, nine hundred twenty thousand, one hundred sixty-three".