61055600555 has 16 divisors (see below), whose sum is σ = 77597888544. Its totient is φ = 45958617600.

The previous prime is 61055600513. The next prime is 61055600603. The reversal of 61055600555 is 55500655016.

It is not a de Polignac number, because 61055600555 - 2⁶ = 61055600491 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 217544 + ... + 411626.

It is an arithmetic number, because the mean of its divisors is an integer number (4849868034).

Almost surely, 2^61055600555 is an apocalyptic number.

61055600555 is a deficient number, since it is larger than the sum of its proper divisors (16542287989).

61055600555 is a wasteful number, since it uses less digits than its factorization.

61055600555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197806.

The product of its (nonzero) digits is 112500, while the sum is 38.

The spelling of 61055600555 in words is "sixty-one billion, fifty-five million, six hundred thousand, five hundred fifty-five".