11004013431 has 16 divisors (see below), whose sum is σ = 16864389600. Its totient is φ = 7083042624.

The previous prime is 11004013421. The next prime is 11004013439. The reversal of 11004013431 is 13431040011.

It is not a de Polignac number, because 11004013431 - 2¹⁷ = 11003882359 is a prime.

It is a super-2 number, since 2×11004013431² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11004013439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7026046 + ... + 7027611.

It is an arithmetic number, because the mean of its divisors is an integer number (1054024350).

Almost surely, 2^11004013431 is an apocalyptic number.

11004013431 is a deficient number, since it is larger than the sum of its proper divisors (5860376169).

11004013431 is a wasteful number, since it uses less digits than its factorization.

11004013431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14053695 (or 14053689 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 11004013431 its reverse (13431040011), we get a palindrome (24435053442).

The spelling of 11004013431 in words is "eleven billion, four million, thirteen thousand, four hundred thirty-one".