61055101105505 has 32 divisors (see below), whose sum is σ = 79012758859776. Its totient is φ = 45023546985984.

The previous prime is 61055101105499. The next prime is 61055101105519. The reversal of 61055101105505 is 50550110155016.

It is a cyclic number.

It is not a de Polignac number, because 61055101105505 - 2¹⁴ = 61055101089121 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1332098069 + ... + 1332143901.

It is an arithmetic number, because the mean of its divisors is an integer number (2469148714368).

Almost surely, 2^{61055101105505} is an apocalyptic number.

61055101105505 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

61055101105505 is a deficient number, since it is larger than the sum of its proper divisors (17957657754271).

61055101105505 is a wasteful number, since it uses less digits than its factorization.

61055101105505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74177.

The product of its (nonzero) digits is 18750, while the sum is 35.

The spelling of 61055101105505 in words is "sixty-one trillion, fifty-five billion, one hundred one million, one hundred five thousand, five hundred five".