1103663118511 has 4 divisors (see below), whose sum is σ = 1139265154624. Its totient is φ = 1068061082400.

The previous prime is 1103663118497. The next prime is 1103663118541. The reversal of 1103663118511 is 1158113663011.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1103663118511 - 2⁵ = 1103663118479 is a prime.

It is a super-2 number, since 2×1103663118511² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1103663118541) 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, 17801018010 + ... + 17801018071.

It is an arithmetic number, because the mean of its divisors is an integer number (284816288656).

Almost surely, 2^{1103663118511} is an apocalyptic number.

1103663118511 is a deficient number, since it is larger than the sum of its proper divisors (35602036113).

1103663118511 is an equidigital number, since it uses as much as digits as its factorization.

1103663118511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35602036112.

The product of its (nonzero) digits is 12960, while the sum is 37.

The spelling of 1103663118511 in words is "one trillion, one hundred three billion, six hundred sixty-three million, one hundred eighteen thousand, five hundred eleven".