11554541121 has 8 divisors (see below), whose sum is σ = 15484258944. Its totient is φ = 7663925360.

The previous prime is 11554541101. The next prime is 11554541129. The reversal of 11554541121 is 12114545511.

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 11554541121 - 2¹⁰ = 11554540097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11554541129) 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, 9774825 + ... + 9776006.

It is an arithmetic number, because the mean of its divisors is an integer number (1935532368).

Almost surely, 2^11554541121 is an apocalyptic number.

It is an amenable number.

11554541121 is a deficient number, since it is larger than the sum of its proper divisors (3929717823).

11554541121 is a wasteful number, since it uses less digits than its factorization.

11554541121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19551031.

The product of its digits is 4000, while the sum is 30.

The spelling of 11554541121 in words is "eleven billion, five hundred fifty-four million, five hundred forty-one thousand, one hundred twenty-one".