60100555561 has 2 divisors, whose sum is σ = 60100555562. Its totient is φ = 60100555560.

The previous prime is 60100555523. The next prime is 60100555573. The reversal of 60100555561 is 16555500106.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 59643408400 + 457147161 = 244220^2 + 21381^2 .

It is a cyclic number.

It is not a de Polignac number, because 60100555561 - 2⁹ = 60100555049 is a prime.

It is a super-2 number, since 2×60100555561² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (60100558561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30050277780 + 30050277781.

It is an arithmetic number, because the mean of its divisors is an integer number (30050277781).

Almost surely, 2^60100555561 is an apocalyptic number.

It is an amenable number.

60100555561 is a deficient number, since it is larger than the sum of its proper divisors (1).

60100555561 is an equidigital number, since it uses as much as digits as its factorization.

60100555561 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22500, while the sum is 34.

The spelling of 60100555561 in words is "sixty billion, one hundred million, five hundred fifty-five thousand, five hundred sixty-one".