11561348408 has 16 divisors (see below), whose sum is σ = 21843007560. Its totient is φ = 5736546400.

The previous prime is 11561348369. The next prime is 11561348417. The reversal of 11561348408 is 80484316511.

It is a super-2 number, since 2×11561348408² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5514863 + ... + 5516958.

Almost surely, 2^11561348408 is an apocalyptic number.

It is an amenable number.

11561348408 is a deficient number, since it is larger than the sum of its proper divisors (10281659152).

11561348408 is a wasteful number, since it uses less digits than its factorization.

11561348408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11031958 (or 11031954 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 41.

The spelling of 11561348408 in words is "eleven billion, five hundred sixty-one million, three hundred forty-eight thousand, four hundred eight".