11403120044 has 48 divisors (see below), whose sum is σ = 21574425600. Its totient is φ = 5257471296.

The previous prime is 11403120037. The next prime is 11403120049. The reversal of 11403120044 is 44002130411.

It is a super-2 number, since 2×11403120044² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11403119998 and 11403120025.

It is not an unprimeable number, because it can be changed into a prime (11403120049) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1936697 + ... + 1942575.

It is an arithmetic number, because the mean of its divisors is an integer number (449467200).

Almost surely, 2^11403120044 is an apocalyptic number.

It is an amenable number.

11403120044 is a deficient number, since it is larger than the sum of its proper divisors (10171305556).

11403120044 is a wasteful number, since it uses less digits than its factorization.

11403120044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6662 (or 6660 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 11403120044 its reverse (44002130411), we get a palindrome (55405250455).

The spelling of 11403120044 in words is "eleven billion, four hundred three million, one hundred twenty thousand, forty-four".