60503640121 has 2 divisors, whose sum is σ = 60503640122. Its totient is φ = 60503640120.

The previous prime is 60503640037. The next prime is 60503640139. The reversal of 60503640121 is 12104630506.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 59878090000 + 625550121 = 244700^2 + 25011^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-60503640121 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 60503640121.

It is not a weakly prime, because it can be changed into another prime (60503640191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30251820060 + 30251820061.

It is an arithmetic number, because the mean of its divisors is an integer number (30251820061).

Almost surely, 2^60503640121 is an apocalyptic number.

It is an amenable number.

60503640121 is a deficient number, since it is larger than the sum of its proper divisors (1).

60503640121 is an equidigital number, since it uses as much as digits as its factorization.

60503640121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 28.

The spelling of 60503640121 in words is "sixty billion, five hundred three million, six hundred forty thousand, one hundred twenty-one".