11143051616 has 24 divisors (see below), whose sum is σ = 21940559424. Its totient is φ = 5570846080.

The previous prime is 11143051613. The next prime is 11143051631. The reversal of 11143051616 is 61615034111.

It is a super-2 number, since 2×11143051616² (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 (11143051613) 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, 339281 + ... + 370671.

It is an arithmetic number, because the mean of its divisors is an integer number (914189976).

Almost surely, 2^11143051616 is an apocalyptic number.

11143051616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

11143051616 is a deficient number, since it is larger than the sum of its proper divisors (10797507808).

11143051616 is a wasteful number, since it uses less digits than its factorization.

11143051616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42494 (or 42486 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 29.

Adding to 11143051616 its reverse (61615034111), we get a palindrome (72758085727).

The spelling of 11143051616 in words is "eleven billion, one hundred forty-three million, fifty-one thousand, six hundred sixteen".