1011963455 has 4 divisors (see below), whose sum is σ = 1214356152. Its totient is φ = 809570760.

The previous prime is 1011963413. The next prime is 1011963467. The reversal of 1011963455 is 5543691101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5543691101 = 13 ⋅426437777.

It is not a de Polignac number, because 1011963455 - 2¹⁴ = 1011947071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 101196341 + ... + 101196350.

It is an arithmetic number, because the mean of its divisors is an integer number (303589038).

Almost surely, 2^1011963455 is an apocalyptic number.

1011963455 is a deficient number, since it is larger than the sum of its proper divisors (202392697).

1011963455 is an equidigital number, since it uses as much as digits as its factorization.

1011963455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202392696.

The product of its (nonzero) digits is 16200, while the sum is 35.

The square root of 1011963455 is about 31811.3730448719. The cubic root of 1011963455 is about 1003.9720204977.

The spelling of 1011963455 in words is "one billion, eleven million, nine hundred sixty-three thousand, four hundred fifty-five".