125020121112511 has 2 divisors, whose sum is σ = 125020121112512. Its totient is φ = 125020121112510.

The previous prime is 125020121112499. The next prime is 125020121112569. The reversal of 125020121112511 is 115211121020521.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 125020121112511 - 2³⁵ = 124985761374143 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125020121112581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62510060556255 + 62510060556256.

It is an arithmetic number, because the mean of its divisors is an integer number (62510060556256).

Almost surely, 2^{125020121112511} is an apocalyptic number.

125020121112511 is a deficient number, since it is larger than the sum of its proper divisors (1).

125020121112511 is an equidigital number, since it uses as much as digits as its factorization.

125020121112511 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 400, while the sum is 25.

The spelling of 125020121112511 in words is "one hundred twenty-five trillion, twenty billion, one hundred twenty-one million, one hundred twelve thousand, five hundred eleven".