55011111001005 has 32 divisors (see below), whose sum is σ = 89694955238400. Its totient is φ = 28780403258880.

The previous prime is 55011111001003. The next prime is 55011111001039. The reversal of 55011111001005 is 50010011111055.

55011111001005 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 55011111001005 - 2¹ = 55011111001003 is a prime.

It is a super-2 number, since 2×55011111001005² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55011111001001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2017501 + ... + 10681410.

It is an arithmetic number, because the mean of its divisors is an integer number (2802967351200).

Almost surely, 2^{55011111001005} is an apocalyptic number.

It is an amenable number.

55011111001005 is a deficient number, since it is larger than the sum of its proper divisors (34683844237395).

55011111001005 is a wasteful number, since it uses less digits than its factorization.

55011111001005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12704421.

The product of its (nonzero) digits is 125, while the sum is 21.

The spelling of 55011111001005 in words is "fifty-five trillion, eleven billion, one hundred eleven million, one thousand, five".