1087775911 has 2 divisors, whose sum is σ = 1087775912. Its totient is φ = 1087775910.

The previous prime is 1087775903. The next prime is 1087775917. The reversal of 1087775911 is 1195777801.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1087775911 - 2³ = 1087775903 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1087775917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 543887955 + 543887956.

It is an arithmetic number, because the mean of its divisors is an integer number (543887956).

Almost surely, 2^1087775911 is an apocalyptic number.

1087775911 is a deficient number, since it is larger than the sum of its proper divisors (1).

1087775911 is an equidigital number, since it uses as much as digits as its factorization.

1087775911 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 123480, while the sum is 46.

The square root of 1087775911 is about 32981.4479821611. The cubic root of 1087775911 is about 1028.4420191697.

The spelling of 1087775911 in words is "one billion, eighty-seven million, seven hundred seventy-five thousand, nine hundred eleven".