11554540222331 has 16 divisors (see below), whose sum is σ = 11606378447808. Its totient is φ = 11502830908800.

The previous prime is 11554540222279. The next prime is 11554540222349. The reversal of 11554540222331 is 13322204545511.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11554540222331 is a prime.

It is a super-2 number, since 2×11554540222331² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11554540222361) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1083605306 + ... + 1083615968.

It is an arithmetic number, because the mean of its divisors is an integer number (725398652988).

Almost surely, 2^{11554540222331} is an apocalyptic number.

11554540222331 is a deficient number, since it is larger than the sum of its proper divisors (51838225477).

11554540222331 is a wasteful number, since it uses less digits than its factorization.

11554540222331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16262.

The product of its (nonzero) digits is 144000, while the sum is 38.

Adding to 11554540222331 its reverse (13322204545511), we get a palindrome (24876744767842).

The spelling of 11554540222331 in words is "eleven trillion, five hundred fifty-four billion, five hundred forty million, two hundred twenty-two thousand, three hundred thirty-one".