1116964523 has 4 divisors (see below), whose sum is σ = 1117031640. Its totient is φ = 1116897408.

The previous prime is 1116964501. The next prime is 1116964543. The reversal of 1116964523 is 3254696111.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 3254696111 = 8209 ⋅396479.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1116964523 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1116964543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12236 + ... + 48822.

It is an arithmetic number, because the mean of its divisors is an integer number (279257910).

Almost surely, 2^1116964523 is an apocalyptic number.

1116964523 is a deficient number, since it is larger than the sum of its proper divisors (67117).

1116964523 is an equidigital number, since it uses as much as digits as its factorization.

1116964523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67116.

The product of its digits is 38880, while the sum is 38.

The square root of 1116964523 is about 33421.0191795523. The cubic root of 1116964523 is about 1037.5597752950.

The spelling of 1116964523 in words is "one billion, one hundred sixteen million, nine hundred sixty-four thousand, five hundred twenty-three".