11017781564 has 6 divisors (see below), whose sum is σ = 19281117744. Its totient is φ = 5508890780.

The previous prime is 11017781497. The next prime is 11017781581. The reversal of 11017781564 is 46518771011.

It is a congruent number.

It is an unprimeable number.

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, 1377222692 + ... + 1377222699.

It is an arithmetic number, because the mean of its divisors is an integer number (3213519624).

Almost surely, 2^11017781564 is an apocalyptic number.

It is an amenable number.

11017781564 is a deficient number, since it is larger than the sum of its proper divisors (8263336180).

11017781564 is a wasteful number, since it uses less digits than its factorization.

11017781564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2754445395 (or 2754445393 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 41.

The spelling of 11017781564 in words is "eleven billion, seventeen million, seven hundred eighty-one thousand, five hundred sixty-four".