11140052353661 has 32 divisors (see below), whose sum is σ = 13910769653760. Its totient is φ = 8666900424000.

The previous prime is 11140052353603. The next prime is 11140052353679. The reversal of 11140052353661 is 16635325004111.

It is not a de Polignac number, because 11140052353661 - 2³⁸ = 10865174446717 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11140052353681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 126078680 + ... + 126167006.

It is an arithmetic number, because the mean of its divisors is an integer number (434711551680).

Almost surely, 2^{11140052353661} is an apocalyptic number.

11140052353661 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11140052353661 is a deficient number, since it is larger than the sum of its proper divisors (2770717300099).

11140052353661 is a wasteful number, since it uses less digits than its factorization.

11140052353661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90905.

The product of its (nonzero) digits is 64800, while the sum is 38.

Adding to 11140052353661 its reverse (16635325004111), we get a palindrome (27775377357772).

The spelling of 11140052353661 in words is "eleven trillion, one hundred forty billion, fifty-two million, three hundred fifty-three thousand, six hundred sixty-one".