61101056061 has 24 divisors (see below), whose sum is σ = 88452707616. Its totient is φ = 40643854560.

The previous prime is 61101056033. The next prime is 61101056089. The reversal of 61101056061 is 16065010116.

It is an interprime number because it is at equal distance from previous prime (61101056033) and next prime (61101056089).

It is not a de Polignac number, because 61101056061 - 2²³ = 61092667453 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61101056011) 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 in 23 ways as a sum of consecutive naturals, for example, 8978086 + ... + 8984888.

It is an arithmetic number, because the mean of its divisors is an integer number (3685529484).

Almost surely, 2^61101056061 is an apocalyptic number.

It is an amenable number.

61101056061 is a deficient number, since it is larger than the sum of its proper divisors (27351651555).

61101056061 is a wasteful number, since it uses less digits than its factorization.

61101056061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8873 (or 8870 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 27.

Adding to 61101056061 its reverse (16065010116), we get a palindrome (77166066177).

The spelling of 61101056061 in words is "sixty-one billion, one hundred one million, fifty-six thousand, sixty-one".