2105531054 has 8 divisors (see below), whose sum is σ = 3445414488. Its totient is φ = 957059560.

The previous prime is 2105531027. The next prime is 2105531059. The reversal of 2105531054 is 4501355012.

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

It is a super-2 number, since 2×2105531054² = 8866522038716701832, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2105531059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47852957 + ... + 47853000.

It is an arithmetic number, because the mean of its divisors is an integer number (430676811).

Almost surely, 2^2105531054 is an apocalyptic number.

2105531054 is a deficient number, since it is larger than the sum of its proper divisors (1339883434).

2105531054 is a wasteful number, since it uses less digits than its factorization.

2105531054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95705970.

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 2105531054 is about 45886.0660113721. The cubic root of 2105531054 is about 1281.7024575514.

Adding to 2105531054 its reverse (4501355012), we get a palindrome (6606886066).

The spelling of 2105531054 in words is "two billion, one hundred five million, five hundred thirty-one thousand, fifty-four".