2111261055 has 8 divisors (see below), whose sum is σ = 3378017712. Its totient is φ = 1126005888.

The previous prime is 2111261051. The next prime is 2111261069. The reversal of 2111261055 is 5501621112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2111261055 - 2² = 2111261051 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2111261051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70375354 + ... + 70375383.

It is an arithmetic number, because the mean of its divisors is an integer number (422252214).

Almost surely, 2^2111261055 is an apocalyptic number.

2111261055 is a deficient number, since it is larger than the sum of its proper divisors (1266756657).

2111261055 is a wasteful number, since it uses less digits than its factorization.

2111261055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140750745.

The product of its (nonzero) digits is 600, while the sum is 24.

The square root of 2111261055 is about 45948.4608556152. The cubic root of 2111261055 is about 1282.8640812448.

Adding to 2111261055 its reverse (5501621112), we get a palindrome (7612882167).

The spelling of 2111261055 in words is "two billion, one hundred eleven million, two hundred sixty-one thousand, fifty-five".