11131042416 has 40 divisors (see below), whose sum is σ = 30967132560. Its totient is φ = 3424935936.

The previous prime is 11131042397. The next prime is 11131042423. The reversal of 11131042416 is 61424013111.

It is a happy number.

It is a super-2 number, since 2×11131042416² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8918481 + ... + 8919728.

It is an arithmetic number, because the mean of its divisors is an integer number (774178314).

Almost surely, 2^11131042416 is an apocalyptic number.

11131042416 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

11131042416 is an abundant number, since it is smaller than the sum of its proper divisors (19836090144).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11131042416 is a wasteful number, since it uses less digits than its factorization.

11131042416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17838233 (or 17838227 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 24.

Adding to 11131042416 its reverse (61424013111), we get a palindrome (72555055527).

The spelling of 11131042416 in words is "eleven billion, one hundred thirty-one million, forty-two thousand, four hundred sixteen".