2631085011 has 10 divisors (see below), whose sum is σ = 3930386372. Its totient is φ = 1754056620.

The previous prime is 2631084997. The next prime is 2631085013. The reversal of 2631085011 is 1105801362.

It is not a de Polignac number, because 2631085011 - 2⁶ = 2631084947 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2631085013) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 16241185 + ... + 16241346.

Almost surely, 2^2631085011 is an apocalyptic number.

2631085011 is a deficient number, since it is larger than the sum of its proper divisors (1299301361).

2631085011 is an equidigital number, since it uses as much as digits as its factorization.

2631085011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32482543 (or 32482534 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 2631085011 is about 51294.1030821283. The cubic root of 2631085011 is about 1380.5271757139.

Adding to 2631085011 its reverse (1105801362), we get a palindrome (3736886373).

The spelling of 2631085011 in words is "two billion, six hundred thirty-one million, eighty-five thousand, eleven".