2540091105 has 24 divisors (see below), whose sum is σ = 4404449088. Its totient is φ = 1354215456.

The previous prime is 2540091097. The next prime is 2540091119. The reversal of 2540091105 is 5011900452.

2540091105 is a `hidden beast` number, since 2 + 540 + 0 + 9 + 110 + 5 = 666.

It is not a de Polignac number, because 2540091105 - 2³ = 2540091097 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 135324 + ... + 152946.

It is an arithmetic number, because the mean of its divisors is an integer number (183518712).

Almost surely, 2^2540091105 is an apocalyptic number.

It is an amenable number.

2540091105 is a deficient number, since it is larger than the sum of its proper divisors (1864357983).

2540091105 is a wasteful number, since it uses less digits than its factorization.

2540091105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20837 (or 20834 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 27.

The square root of 2540091105 is about 50399.3165132227. The cubic root of 2540091105 is about 1364.4253024916.

Adding to 2540091105 its reverse (5011900452), we get a palindrome (7551991557).

The spelling of 2540091105 in words is "two billion, five hundred forty million, ninety-one thousand, one hundred five".