1086978611 has 2 divisors, whose sum is σ = 1086978612. Its totient is φ = 1086978610.

The previous prime is 1086978583. The next prime is 1086978631. The reversal of 1086978611 is 1168796801.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1086978611 - 2¹⁰ = 1086977587 is a prime.

It is not a weakly prime, because it can be changed into another prime (1086978631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 543489305 + 543489306.

It is an arithmetic number, because the mean of its divisors is an integer number (543489306).

Almost surely, 2^1086978611 is an apocalyptic number.

1086978611 is a deficient number, since it is larger than the sum of its proper divisors (1).

1086978611 is an equidigital number, since it uses as much as digits as its factorization.

1086978611 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 145152, while the sum is 47.

The square root of 1086978611 is about 32969.3586683150. The cubic root of 1086978611 is about 1028.1906876124.

The spelling of 1086978611 in words is "one billion, eighty-six million, nine hundred seventy-eight thousand, six hundred eleven".