55001055111 has 16 divisors (see below), whose sum is σ = 79747160544. Its totient is φ = 33577749504.

The previous prime is 55001055097. The next prime is 55001055143. The reversal of 55001055111 is 11155010055.

It is not a de Polignac number, because 55001055111 - 2⁵ = 55001055079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55001055511) 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, 14571790 + ... + 14575563.

It is an arithmetic number, because the mean of its divisors is an integer number (4984197534).

Almost surely, 2^55001055111 is an apocalyptic number.

55001055111 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

55001055111 is a deficient number, since it is larger than the sum of its proper divisors (24746105433).

55001055111 is a wasteful number, since it uses less digits than its factorization.

55001055111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29147410.

The product of its (nonzero) digits is 625, while the sum is 24.

Adding to 55001055111 its reverse (11155010055), we get a palindrome (66156065166).

The spelling of 55001055111 in words is "fifty-five billion, one million, fifty-five thousand, one hundred eleven".