2061011155 has 8 divisors (see below), whose sum is σ = 2826529632. Its totient is φ = 1413264768.

The previous prime is 2061011119. The next prime is 2061011177. The reversal of 2061011155 is 5511101602.

It is a happy number.

2061011155 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 2061011155 - 2¹⁹ = 2060486867 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29442982 + ... + 29443051.

It is an arithmetic number, because the mean of its divisors is an integer number (353316204).

Almost surely, 2^2061011155 is an apocalyptic number.

2061011155 is a deficient number, since it is larger than the sum of its proper divisors (765518477).

2061011155 is an equidigital number, since it uses as much as digits as its factorization.

2061011155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58886045.

The product of its (nonzero) digits is 300, while the sum is 22.

The square root of 2061011155 is about 45398.3607082899. The cubic root of 2061011155 is about 1272.6044790785.

Adding to 2061011155 its reverse (5511101602), we get a palindrome (7572112757).

The spelling of 2061011155 in words is "two billion, sixty-one million, eleven thousand, one hundred fifty-five".