1103304031511 has 4 divisors (see below), whose sum is σ = 1203604398024. Its totient is φ = 1003003665000.

The previous prime is 1103304031493. The next prime is 1103304031673. The reversal of 1103304031511 is 1151304033011.

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 1103304031511 - 2³⁴ = 1086124162327 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 (1103304033511) 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, 50150183240 + ... + 50150183261.

It is an arithmetic number, because the mean of its divisors is an integer number (300901099506).

Almost surely, 2^{1103304031511} is an apocalyptic number.

1103304031511 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1103304031511 is a deficient number, since it is larger than the sum of its proper divisors (100300366513).

1103304031511 is a wasteful number, since it uses less digits than its factorization.

1103304031511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100300366512.

The product of its (nonzero) digits is 540, while the sum is 23.

Adding to 1103304031511 its reverse (1151304033011), we get a palindrome (2254608064522).

The spelling of 1103304031511 in words is "one trillion, one hundred three billion, three hundred four million, thirty-one thousand, five hundred eleven".