11131042038 has 16 divisors (see below), whose sum is σ = 22863762480. Its totient is φ = 3610067616.

The previous prime is 11131041983. The next prime is 11131042123. The reversal of 11131042038 is 83024013111.

It is a junction number, because it is equal to n+sod(n) for n = 11131041999 and 11131042017.

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, 25069693 + ... + 25070136.

It is an arithmetic number, because the mean of its divisors is an integer number (1428985155).

Almost surely, 2^11131042038 is an apocalyptic number.

11131042038 is an abundant number, since it is smaller than the sum of its proper divisors (11732720442).

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

11131042038 is a wasteful number, since it uses less digits than its factorization.

11131042038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50139871.

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

Adding to 11131042038 its reverse (83024013111), we get a palindrome (94155055149).

The spelling of 11131042038 in words is "eleven billion, one hundred thirty-one million, forty-two thousand, thirty-eight".