61120027105 has 8 divisors (see below), whose sum is σ = 73348569000. Its totient is φ = 48892997376.

The previous prime is 61120027057. The next prime is 61120027139. The reversal of 61120027105 is 50172002116.

61120027105 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 28517752384 + 32602274721 = 168872^2 + 180561^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 61120027105 - 2⁹ = 61120026593 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 61120027105.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 287130 + ... + 452419.

It is an arithmetic number, because the mean of its divisors is an integer number (9168571125).

Almost surely, 2^61120027105 is an apocalyptic number.

It is an amenable number.

61120027105 is a deficient number, since it is larger than the sum of its proper divisors (12228541895).

61120027105 is a wasteful number, since it uses less digits than its factorization.

61120027105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 756083.

The product of its (nonzero) digits is 840, while the sum is 25.

The spelling of 61120027105 in words is "sixty-one billion, one hundred twenty million, twenty-seven thousand, one hundred five".