55560556011 has 16 divisors (see below), whose sum is σ = 75686887424. Its totient is φ = 36245289024.

The previous prime is 55560555997. The next prime is 55560556039. The reversal of 55560556011 is 11065506555.

It is not a de Polignac number, because 55560556011 - 2⁹ = 55560555499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55560556091) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 971011 + ... + 1026636.

It is an arithmetic number, because the mean of its divisors is an integer number (4730430464).

Almost surely, 2^55560556011 is an apocalyptic number.

55560556011 is a deficient number, since it is larger than the sum of its proper divisors (20126331413).

55560556011 is a wasteful number, since it uses less digits than its factorization.

55560556011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1997850.

The product of its (nonzero) digits is 112500, while the sum is 39.

The spelling of 55560556011 in words is "fifty-five billion, five hundred sixty million, five hundred fifty-six thousand, eleven".