11145044001 has 16 divisors (see below), whose sum is σ = 18289303424. Its totient is φ = 5878704384.

The previous prime is 11145043999. The next prime is 11145044039. The reversal of 11145044001 is 10044054111.

It is not a de Polignac number, because 11145044001 - 2¹ = 11145043999 is a prime.

It is a super-4 number, since 4×11145044001⁴ (a number of 41 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (11145044041) 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 15 ways as a sum of consecutive naturals, for example, 20411896 + ... + 20412441.

It is an arithmetic number, because the mean of its divisors is an integer number (1143081464).

Almost surely, 2^11145044001 is an apocalyptic number.

It is an amenable number.

11145044001 is a deficient number, since it is larger than the sum of its proper divisors (7144259423).

11145044001 is a wasteful number, since it uses less digits than its factorization.

11145044001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40824360.

The product of its (nonzero) digits is 320, while the sum is 21.

Adding to 11145044001 its reverse (10044054111), we get a palindrome (21189098112).

The spelling of 11145044001 in words is "eleven billion, one hundred forty-five million, forty-four thousand, one".