11143400001 has 32 divisors (see below), whose sum is σ = 15591318528. Its totient is φ = 7072401600.

The previous prime is 11143399979. The next prime is 11143400039. The reversal of 11143400001 is 10000434111.

It is not a de Polignac number, because 11143400001 - 2¹¹ = 11143397953 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11143400101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1118026 + ... + 1127948.

It is an arithmetic number, because the mean of its divisors is an integer number (487228704).

Almost surely, 2^11143400001 is an apocalyptic number.

It is an amenable number.

11143400001 is a deficient number, since it is larger than the sum of its proper divisors (4447918527).

11143400001 is a wasteful number, since it uses less digits than its factorization.

11143400001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10181.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 11143400001 its reverse (10000434111), we get a palindrome (21143834112).

The spelling of 11143400001 in words is "eleven billion, one hundred forty-three million, four hundred thousand, one".