2761109081 has 4 divisors (see below), whose sum is σ = 2807907600. Its totient is φ = 2714310564.

The previous prime is 2761109059. The next prime is 2761109093. The reversal of 2761109081 is 1809011672.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2761109081 - 2²² = 2756914777 is a prime.

It is a super-2 number, since 2×2761109081² = 15247446714361329122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2761109011) 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, 23399171 + ... + 23399288.

It is an arithmetic number, because the mean of its divisors is an integer number (701976900).

Almost surely, 2^2761109081 is an apocalyptic number.

It is an amenable number.

2761109081 is a deficient number, since it is larger than the sum of its proper divisors (46798519).

2761109081 is an equidigital number, since it uses as much as digits as its factorization.

2761109081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46798518.

The product of its (nonzero) digits is 6048, while the sum is 35.

The square root of 2761109081 is about 52546.2565840803. The cubic root of 2761109081 is about 1402.9036810867.

The spelling of 2761109081 in words is "two billion, seven hundred sixty-one million, one hundred nine thousand, eighty-one".