11550440541 has 8 divisors (see below), whose sum is σ = 16070178240. Its totient is φ = 7365498272.

The previous prime is 11550440533. The next prime is 11550440593. The reversal of 11550440541 is 14504405511.

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 11550440541 - 2³ = 11550440533 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11550440499 and 11550440508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11550440521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83698776 + ... + 83698913.

It is an arithmetic number, because the mean of its divisors is an integer number (2008772280).

Almost surely, 2^11550440541 is an apocalyptic number.

It is an amenable number.

11550440541 is a deficient number, since it is larger than the sum of its proper divisors (4519737699).

11550440541 is a wasteful number, since it uses less digits than its factorization.

11550440541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167397715.

The product of its (nonzero) digits is 8000, while the sum is 30.

The spelling of 11550440541 in words is "eleven billion, five hundred fifty million, four hundred forty thousand, five hundred forty-one".