61101000055569 has 24 divisors (see below), whose sum is σ = 86579229216960. Its totient is φ = 38321448250624.

The previous prime is 61101000055549. The next prime is 61101000055573. The reversal of 61101000055569 is 96555000010116.

It is not a de Polignac number, because 61101000055569 - 2⁷ = 61101000055441 is a prime.

It is a super-2 number, since 2×61101000055569² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (61101000055549) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13081029 + ... + 17126450.

It is an arithmetic number, because the mean of its divisors is an integer number (3607467884040).

Almost surely, 2^{61101000055569} is an apocalyptic number.

It is an amenable number.

61101000055569 is a deficient number, since it is larger than the sum of its proper divisors (25478229161391).

61101000055569 is a wasteful number, since it uses less digits than its factorization.

61101000055569 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30209849 (or 30209832 counting only the distinct ones).

The product of its (nonzero) digits is 40500, while the sum is 39.

The spelling of 61101000055569 in words is "sixty-one trillion, one hundred one billion, fifty-five thousand, five hundred sixty-nine".