601155100129 has 2 divisors, whose sum is σ = 601155100130. Its totient is φ = 601155100128.

The previous prime is 601155100103. The next prime is 601155100157. The reversal of 601155100129 is 921001551106.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 385721734225 + 215433365904 = 621065^2 + 464148^2 .

It is a cyclic number.

It is not a de Polignac number, because 601155100129 - 2⁵ = 601155100097 is a prime.

It is a super-2 number, since 2×601155100129² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 601155100129.

It is not a weakly prime, because it can be changed into another prime (601155100159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 300577550064 + 300577550065.

It is an arithmetic number, because the mean of its divisors is an integer number (300577550065).

Almost surely, 2^601155100129 is an apocalyptic number.

It is an amenable number.

601155100129 is a deficient number, since it is larger than the sum of its proper divisors (1).

601155100129 is an equidigital number, since it uses as much as digits as its factorization.

601155100129 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2700, while the sum is 31.

The spelling of 601155100129 in words is "six hundred one billion, one hundred fifty-five million, one hundred thousand, one hundred twenty-nine".