11205140545444 has 6 divisors (see below), whose sum is σ = 19608995954534. Its totient is φ = 5602570272720.

The previous prime is 11205140545381. The next prime is 11205140545451. The reversal of 11205140545444 is 44454504150211.

It can be written as a sum of positive squares in only one way, i.e., 6523110105444 + 4682030440000 = 2554038^2 + 2163800^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11205140545397 and 11205140545406.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1400642568177 + ... + 1400642568184.

Almost surely, 2^{11205140545444} is an apocalyptic number.

It is an amenable number.

11205140545444 is a deficient number, since it is larger than the sum of its proper divisors (8403855409090).

11205140545444 is a wasteful number, since it uses less digits than its factorization.

11205140545444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2801285136365 (or 2801285136363 counting only the distinct ones).

The product of its (nonzero) digits is 256000, while the sum is 40.

Adding to 11205140545444 its reverse (44454504150211), we get a palindrome (55659644695655).

The spelling of 11205140545444 in words is "eleven trillion, two hundred five billion, one hundred forty million, five hundred forty-five thousand, four hundred forty-four".