125143563101 has 2 divisors, whose sum is σ = 125143563102. Its totient is φ = 125143563100.

The previous prime is 125143563067. The next prime is 125143563121. The reversal of 125143563101 is 101365341521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 113538672025 + 11604891076 = 336955^2 + 107726^2 .

It is a cyclic number.

It is not a de Polignac number, because 125143563101 - 2¹⁸ = 125143300957 is a prime.

It is a super-2 number, since 2×125143563101² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125143563121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62571781550 + 62571781551.

It is an arithmetic number, because the mean of its divisors is an integer number (62571781551).

Almost surely, 2^125143563101 is an apocalyptic number.

It is an amenable number.

125143563101 is a deficient number, since it is larger than the sum of its proper divisors (1).

125143563101 is an equidigital number, since it uses as much as digits as its factorization.

125143563101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10800, while the sum is 32.

The spelling of 125143563101 in words is "one hundred twenty-five billion, one hundred forty-three million, five hundred sixty-three thousand, one hundred one".