11405045424 has 20 divisors (see below), whose sum is σ = 29463034136. Its totient is φ = 3801681792.

The previous prime is 11405045423. The next prime is 11405045429. The reversal of 11405045424 is 42454050411.

It is a super-2 number, since 2×11405045424² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11405045391 and 11405045400.

It is not an unprimeable number, because it can be changed into a prime (11405045423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 118802509 + ... + 118802604.

Almost surely, 2^11405045424 is an apocalyptic number.

It is an amenable number.

11405045424 is an abundant number, since it is smaller than the sum of its proper divisors (18057988712).

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

11405045424 is a wasteful number, since it uses less digits than its factorization.

11405045424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237605124 (or 237605118 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 30.

Adding to 11405045424 its reverse (42454050411), we get a palindrome (53859095835).

The spelling of 11405045424 in words is "eleven billion, four hundred five million, forty-five thousand, four hundred twenty-four".