1011663311 has 8 divisors (see below), whose sum is σ = 1032042384. Its totient is φ = 991332160.

The previous prime is 1011663299. The next prime is 1011663329. The reversal of 1011663311 is 1133661101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1011663311 - 2²² = 1007469007 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011663011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32291 + ... + 55371.

It is an arithmetic number, because the mean of its divisors is an integer number (129005298).

Almost surely, 2^1011663311 is an apocalyptic number.

1011663311 is a deficient number, since it is larger than the sum of its proper divisors (20379073).

1011663311 is an equidigital number, since it uses as much as digits as its factorization.

1011663311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23961.

The product of its (nonzero) digits is 324, while the sum is 23.

The square root of 1011663311 is about 31806.6551369364. The cubic root of 1011663311 is about 1003.8727527580.

The spelling of 1011663311 in words is "one billion, eleven million, six hundred sixty-three thousand, three hundred eleven".