11554244245511 has 16 divisors (see below), whose sum is σ = 13375583896320. Its totient is φ = 9876877897920.

The previous prime is 11554244245403. The next prime is 11554244245549.

It is a happy number.

11554244245511 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 11554244245511 - 2⁴² = 7156197734407 is a prime.

It is a super-2 number, since 2×11554244245511² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11554244245711) 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, 387010070 + ... + 387039923.

It is an arithmetic number, because the mean of its divisors is an integer number (835973993520).

Almost surely, 2^{11554244245511} is an apocalyptic number.

11554244245511 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11554244245511 is a deficient number, since it is larger than the sum of its proper divisors (1821339650809).

11554244245511 is a wasteful number, since it uses less digits than its factorization.

11554244245511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 774050086.

The product of its digits is 640000, while the sum is 44.

The spelling of 11554244245511 in words is "eleven trillion, five hundred fifty-four billion, two hundred forty-four million, two hundred forty-five thousand, five hundred eleven".