1011442564 has 12 divisors (see below), whose sum is σ = 1930935888. Its totient is φ = 459746600.

The previous prime is 1011442559. The next prime is 1011442613. The reversal of 1011442564 is 4652441101.

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 in 3 ways as a sum of consecutive naturals, for example, 11493622 + ... + 11493709.

It is an arithmetic number, because the mean of its divisors is an integer number (160911324).

Almost surely, 2^1011442564 is an apocalyptic number.

It is an amenable number.

1011442564 is a deficient number, since it is larger than the sum of its proper divisors (919493324).

1011442564 is a wasteful number, since it uses less digits than its factorization.

1011442564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22987346 (or 22987344 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 1011442564 is about 31803.1848090722. The cubic root of 1011442564 is about 1003.7997317518.

Adding to 1011442564 its reverse (4652441101), we get a palindrome (5663883665).

The spelling of 1011442564 in words is "one billion, eleven million, four hundred forty-two thousand, five hundred sixty-four".