11152401444 has 18 divisors (see below), whose sum is σ = 28190792630. Its totient is φ = 3717467136.

The previous prime is 11152401419. The next prime is 11152401493. The reversal of 11152401444 is 44410425111.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 9862873344 + 1289528100 = 99312^2 + 35910^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 154894429 + ... + 154894500.

Almost surely, 2^11152401444 is an apocalyptic number.

It is an amenable number.

11152401444 is an abundant number, since it is smaller than the sum of its proper divisors (17038391186).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11152401444 is a wasteful number, since it uses less digits than its factorization.

11152401444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309788939 (or 309788934 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 27.

Adding to 11152401444 its reverse (44410425111), we get a palindrome (55562826555).

The spelling of 11152401444 in words is "eleven billion, one hundred fifty-two million, four hundred one thousand, four hundred forty-four".