61095903601 has 2 divisors, whose sum is σ = 61095903602. Its totient is φ = 61095903600.

The previous prime is 61095903553. The next prime is 61095903607. The reversal of 61095903601 is 10630959016.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39779903601 + 21316000000 = 199449^2 + 146000^2 .

It is a cyclic number.

It is not a de Polignac number, because 61095903601 - 2³¹ = 58948419953 is a prime.

It is not a weakly prime, because it can be changed into another prime (61095903607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30547951800 + 30547951801.

It is an arithmetic number, because the mean of its divisors is an integer number (30547951801).

Almost surely, 2^61095903601 is an apocalyptic number.

It is an amenable number.

61095903601 is a deficient number, since it is larger than the sum of its proper divisors (1).

61095903601 is an equidigital number, since it uses as much as digits as its factorization.

61095903601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 43740, while the sum is 40.

The spelling of 61095903601 in words is "sixty-one billion, ninety-five million, nine hundred three thousand, six hundred one".