11554531141 has 8 divisors (see below), whose sum is σ = 11989063424. Its totient is φ = 11123861760.

The previous prime is 11554531139. The next prime is 11554531171. The reversal of 11554531141 is 14113545511.

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 11554531141 - 2¹ = 11554531139 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11554531171) 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, 959631 + ... + 971596.

It is an arithmetic number, because the mean of its divisors is an integer number (1498632928).

Almost surely, 2^11554531141 is an apocalyptic number.

It is an amenable number.

11554531141 is a deficient number, since it is larger than the sum of its proper divisors (434532283).

11554531141 is a wasteful number, since it uses less digits than its factorization.

11554531141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1931451.

The product of its digits is 6000, while the sum is 31.

The spelling of 11554531141 in words is "eleven billion, five hundred fifty-four million, five hundred thirty-one thousand, one hundred forty-one".