11635901087 has 2 divisors, whose sum is σ = 11635901088. Its totient is φ = 11635901086.

The previous prime is 11635901083. The next prime is 11635901129. The reversal of 11635901087 is 78010953611.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11635901087 - 2² = 11635901083 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11635901083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5817950543 + 5817950544.

It is an arithmetic number, because the mean of its divisors is an integer number (5817950544).

Almost surely, 2^11635901087 is an apocalyptic number.

11635901087 is a deficient number, since it is larger than the sum of its proper divisors (1).

11635901087 is an equidigital number, since it uses as much as digits as its factorization.

11635901087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 45360, while the sum is 41.

The spelling of 11635901087 in words is "eleven billion, six hundred thirty-five million, nine hundred one thousand, eighty-seven".