1011567963 has 16 divisors (see below), whose sum is σ = 1542272000. Its totient is φ = 577725696.

The previous prime is 1011567959. The next prime is 1011567989. The reversal of 1011567963 is 3697651101.

It is a happy number.

It is not a de Polignac number, because 1011567963 - 2² = 1011567959 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1011567463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29931 + ... + 54027.

It is an arithmetic number, because the mean of its divisors is an integer number (96392000).

Almost surely, 2^1011567963 is an apocalyptic number.

1011567963 is a deficient number, since it is larger than the sum of its proper divisors (530704037).

1011567963 is a wasteful number, since it uses less digits than its factorization.

1011567963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26106.

The product of its (nonzero) digits is 34020, while the sum is 39.

The square root of 1011567963 is about 31805.1562329129. The cubic root of 1011567963 is about 1003.8412138505.

The spelling of 1011567963 in words is "one billion, eleven million, five hundred sixty-seven thousand, nine hundred sixty-three".