11356553441 has 16 divisors (see below), whose sum is σ = 12040224000. Its totient is φ = 10681622928.

The previous prime is 11356553419. The next prime is 11356553443. The reversal of 11356553441 is 14435565311.

It is a cyclic number.

It is not a de Polignac number, because 11356553441 - 2¹⁴ = 11356537057 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11356553395 and 11356553404.

It is not an unprimeable number, because it can be changed into a prime (11356553443) 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, 5409410 + ... + 5411508.

It is an arithmetic number, because the mean of its divisors is an integer number (752514000).

Almost surely, 2^11356553441 is an apocalyptic number.

It is an amenable number.

11356553441 is a deficient number, since it is larger than the sum of its proper divisors (683670559).

11356553441 is a wasteful number, since it uses less digits than its factorization.

11356553441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4028.

The product of its digits is 108000, while the sum is 38.

The spelling of 11356553441 in words is "eleven billion, three hundred fifty-six million, five hundred fifty-three thousand, four hundred forty-one".