11471467544 has 32 divisors (see below), whose sum is σ = 21742182000. Its totient is φ = 5673615360.

The previous prime is 11471467537. The next prime is 11471467549. The reversal of 11471467544 is 44576417411.

It is a happy number.

It is a super-2 number, since 2×11471467544² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11471467495 and 11471467504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11471467549) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2557784 + ... + 2562264.

Almost surely, 2^11471467544 is an apocalyptic number.

It is an amenable number.

11471467544 is a deficient number, since it is larger than the sum of its proper divisors (10270714456).

11471467544 is a wasteful number, since it uses less digits than its factorization.

11471467544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7883 (or 7879 counting only the distinct ones).

The product of its digits is 376320, while the sum is 44.

The spelling of 11471467544 in words is "eleven billion, four hundred seventy-one million, four hundred sixty-seven thousand, five hundred forty-four".