1011788263 has 2 divisors, whose sum is σ = 1011788264. Its totient is φ = 1011788262.

The previous prime is 1011788231. The next prime is 1011788291. The reversal of 1011788263 is 3628871101.

It is a strong prime.

It is an emirp because it is prime and its reverse (3628871101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1011788263 - 2⁵ = 1011788231 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1011788213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505894131 + 505894132.

It is an arithmetic number, because the mean of its divisors is an integer number (505894132).

Almost surely, 2^1011788263 is an apocalyptic number.

1011788263 is a deficient number, since it is larger than the sum of its proper divisors (1).

1011788263 is an equidigital number, since it uses as much as digits as its factorization.

1011788263 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16128, while the sum is 37.

The square root of 1011788263 is about 31808.6193192977. The cubic root of 1011788263 is about 1003.9140809821.

The spelling of 1011788263 in words is "one billion, eleven million, seven hundred eighty-eight thousand, two hundred sixty-three".