118428139901 has 2 divisors, whose sum is σ = 118428139902. Its totient is φ = 118428139900.

The previous prime is 118428139889. The next prime is 118428139913. The reversal of 118428139901 is 109931824811.

It is a balanced prime because it is at equal distance from previous prime (118428139889) and next prime (118428139913).

It can be written as a sum of positive squares in only one way, i.e., 71350423225 + 47077716676 = 267115^2 + 216974^2 .

It is a cyclic number.

It is not a de Polignac number, because 118428139901 - 2¹⁰ = 118428138877 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (118428139961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59214069950 + 59214069951.

It is an arithmetic number, because the mean of its divisors is an integer number (59214069951).

Almost surely, 2^118428139901 is an apocalyptic number.

It is an amenable number.

118428139901 is a deficient number, since it is larger than the sum of its proper divisors (1).

118428139901 is an equidigital number, since it uses as much as digits as its factorization.

118428139901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 124416, while the sum is 47.

The spelling of 118428139901 in words is "one hundred eighteen billion, four hundred twenty-eight million, one hundred thirty-nine thousand, nine hundred one".