61061111093 has 2 divisors, whose sum is σ = 61061111094. Its totient is φ = 61061111092.

The previous prime is 61061111051. The next prime is 61061111107. The reversal of 61061111093 is 39011116016.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 56101712164 + 4959398929 = 236858^2 + 70423^2 .

It is a cyclic number.

It is not a de Polignac number, because 61061111093 - 2¹⁰ = 61061110069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61061111393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30530555546 + 30530555547.

It is an arithmetic number, because the mean of its divisors is an integer number (30530555547).

Almost surely, 2^61061111093 is an apocalyptic number.

It is an amenable number.

61061111093 is a deficient number, since it is larger than the sum of its proper divisors (1).

61061111093 is an equidigital number, since it uses as much as digits as its factorization.

61061111093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972, while the sum is 29.

The spelling of 61061111093 in words is "sixty-one billion, sixty-one million, one hundred eleven thousand, ninety-three".