2104511051 has 4 divisors (see below), whose sum is σ = 2113243704. Its totient is φ = 2095778400.

The previous prime is 2104511033. The next prime is 2104511077. The reversal of 2104511051 is 1501154012.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2104511051 - 2²² = 2100316747 is a prime.

It is a super-2 number, since 2×2104511051² = 8857933527562249202, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2104511011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4365965 + ... + 4366446.

It is an arithmetic number, because the mean of its divisors is an integer number (528310926).

Almost surely, 2^2104511051 is an apocalyptic number.

2104511051 is a deficient number, since it is larger than the sum of its proper divisors (8732653).

2104511051 is an equidigital number, since it uses as much as digits as its factorization.

2104511051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8732652.

The product of its (nonzero) digits is 200, while the sum is 20.

The square root of 2104511051 is about 45874.9501471119. The cubic root of 2104511051 is about 1281.4954549023.

Adding to 2104511051 its reverse (1501154012), we get a palindrome (3605665063).

The spelling of 2104511051 in words is "two billion, one hundred four million, five hundred eleven thousand, fifty-one".