11111234001 has 16 divisors (see below), whose sum is σ = 16937800704. Its totient is φ = 6346877904.

The previous prime is 11111233999. The next prime is 11111234003. The reversal of 11111234001 is 10043211111.

It is an interprime number because it is at equal distance from previous prime (11111233999) and next prime (11111234003).

It is not a de Polignac number, because 11111234001 - 2¹ = 11111233999 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11111234003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42261 + ... + 154946.

It is an arithmetic number, because the mean of its divisors is an integer number (1058612544).

Almost surely, 2^11111234001 is an apocalyptic number.

It is an amenable number.

11111234001 is a deficient number, since it is larger than the sum of its proper divisors (5826566703).

11111234001 is a wasteful number, since it uses less digits than its factorization.

11111234001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199900.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 11111234001 its reverse (10043211111), we get a palindrome (21154445112).

The spelling of 11111234001 in words is "eleven billion, one hundred eleven million, two hundred thirty-four thousand, one".