11554824961 has 8 divisors (see below), whose sum is σ = 11575643040. Its totient is φ = 11534027808.

The previous prime is 11554824949. The next prime is 11554824971. The reversal of 11554824961 is 16942845511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11554824961 - 2¹⁷ = 11554693889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11554824971) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1429750 + ... + 1437808.

It is an arithmetic number, because the mean of its divisors is an integer number (1446955380).

Almost surely, 2^11554824961 is an apocalyptic number.

It is an amenable number.

11554824961 is a deficient number, since it is larger than the sum of its proper divisors (20818079).

11554824961 is a wasteful number, since it uses less digits than its factorization.

11554824961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10463.

The product of its digits is 345600, while the sum is 46.

The spelling of 11554824961 in words is "eleven billion, five hundred fifty-four million, eight hundred twenty-four thousand, nine hundred sixty-one".