11033442401 has 12 divisors (see below), whose sum is σ = 11611506900. Its totient is φ = 10482822240.

The previous prime is 11033442389. The next prime is 11033442451. The reversal of 11033442401 is 10424433011.

It can be written as a sum of positive squares in 2 ways, for example, as 416200801 + 10617241600 = 20401^2 + 103040^2 .

It is a de Polignac number, because none of the positive numbers 2^k-11033442401 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11033442451) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8831 + ... + 148811.

It is an arithmetic number, because the mean of its divisors is an integer number (967625575).

Almost surely, 2^11033442401 is an apocalyptic number.

It is an amenable number.

11033442401 is a deficient number, since it is larger than the sum of its proper divisors (578064499).

11033442401 is a wasteful number, since it uses less digits than its factorization.

11033442401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140176 (or 140153 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 11033442401 its reverse (10424433011), we get a palindrome (21457875412).

The spelling of 11033442401 in words is "eleven billion, thirty-three million, four hundred forty-two thousand, four hundred one".