1105540761 has 16 divisors (see below), whose sum is σ = 1614352320. Its totient is φ = 668800320.

The previous prime is 1105540739. The next prime is 1105540763. The reversal of 1105540761 is 1670455011.

It is not a de Polignac number, because 1105540761 - 2⁵ = 1105540729 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1105540763) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 237930 + ... + 242531.

It is an arithmetic number, because the mean of its divisors is an integer number (100897020).

Almost surely, 2^1105540761 is an apocalyptic number.

It is an amenable number.

1105540761 is a deficient number, since it is larger than the sum of its proper divisors (508811559).

1105540761 is a wasteful number, since it uses less digits than its factorization.

1105540761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 480536.

The product of its (nonzero) digits is 4200, while the sum is 30.

The square root of 1105540761 is about 33249.6730961374. The cubic root of 1105540761 is about 1034.0104308640.

Adding to 1105540761 its reverse (1670455011), we get a palindrome (2775995772).

The spelling of 1105540761 in words is "one billion, one hundred five million, five hundred forty thousand, seven hundred sixty-one".