55005006111 has 16 divisors (see below), whose sum is σ = 80971228800. Its totient is φ = 32934722720.

The previous prime is 55005006109. The next prime is 55005006131. The reversal of 55005006111 is 11160050055.

It is a cyclic number.

It is not a de Polignac number, because 55005006111 - 2¹ = 55005006109 is a prime.

It is a super-2 number, since 2×55005006111² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55005006131) 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, 10038336 + ... + 10043813.

It is an arithmetic number, because the mean of its divisors is an integer number (5060701800).

Almost surely, 2^55005006111 is an apocalyptic number.

55005006111 is a deficient number, since it is larger than the sum of its proper divisors (25966222689).

55005006111 is a wasteful number, since it uses less digits than its factorization.

55005006111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20082246.

The product of its (nonzero) digits is 750, while the sum is 24.

Adding to 55005006111 its reverse (11160050055), we get a palindrome (66165056166).

The spelling of 55005006111 in words is "fifty-five billion, five million, six thousand, one hundred eleven".