61112182055 has 4 divisors (see below), whose sum is σ = 73334618472. Its totient is φ = 48889745640.

The previous prime is 61112182051. The next prime is 61112182069. The reversal of 61112182055 is 55028121116.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 61112182055 - 2² = 61112182051 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61112182051) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 6111218201 + ... + 6111218210.

It is an arithmetic number, because the mean of its divisors is an integer number (18333654618).

Almost surely, 2^61112182055 is an apocalyptic number.

61112182055 is a deficient number, since it is larger than the sum of its proper divisors (12222436417).

61112182055 is a wasteful number, since it uses less digits than its factorization.

61112182055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12222436416.

The product of its (nonzero) digits is 4800, while the sum is 32.

The spelling of 61112182055 in words is "sixty-one billion, one hundred twelve million, one hundred eighty-two thousand, fifty-five".