61105100055 has 8 divisors (see below), whose sum is σ = 97768160112. Its totient is φ = 32589386688.

The previous prime is 61105100039. The next prime is 61105100137. The reversal of 61105100055 is 55000150116.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 61105100055 - 2⁴ = 61105100039 is a prime.

It is a super-2 number, since 2×61105100055² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 61105099998 and 61105100034.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2036836654 + ... + 2036836683.

It is an arithmetic number, because the mean of its divisors is an integer number (12221020014).

Almost surely, 2^61105100055 is an apocalyptic number.

61105100055 is a deficient number, since it is larger than the sum of its proper divisors (36663060057).

61105100055 is a wasteful number, since it uses less digits than its factorization.

61105100055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4073673345.

The product of its (nonzero) digits is 750, while the sum is 24.

The spelling of 61105100055 in words is "sixty-one billion, one hundred five million, one hundred thousand, fifty-five".