61060987951 has 2 divisors, whose sum is σ = 61060987952. Its totient is φ = 61060987950.

The previous prime is 61060987909. The next prime is 61060987997. The reversal of 61060987951 is 15978906016.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 61060987951 - 2³³ = 52471053359 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61060987901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30530493975 + 30530493976.

It is an arithmetic number, because the mean of its divisors is an integer number (30530493976).

Almost surely, 2^61060987951 is an apocalyptic number.

61060987951 is a deficient number, since it is larger than the sum of its proper divisors (1).

61060987951 is an equidigital number, since it uses as much as digits as its factorization.

61060987951 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 816480, while the sum is 52.

The spelling of 61060987951 in words is "sixty-one billion, sixty million, nine hundred eighty-seven thousand, nine hundred fifty-one".