11361311052553 has 16 divisors (see below), whose sum is σ = 14168510029440. Its totient is φ = 8850620534400.

The previous prime is 11361311052517. The next prime is 11361311052677. The reversal of 11361311052553 is 35525011316311.

It is a cyclic number.

It is not a de Polignac number, because 11361311052553 - 2³⁷ = 11223872099081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11361311052053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19283878 + ... + 19864303.

It is an arithmetic number, because the mean of its divisors is an integer number (885531876840).

Almost surely, 2^{11361311052553} is an apocalyptic number.

It is an amenable number.

11361311052553 is a deficient number, since it is larger than the sum of its proper divisors (2807198976887).

11361311052553 is a wasteful number, since it uses less digits than its factorization.

11361311052553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39151968.

The product of its (nonzero) digits is 40500, while the sum is 37.

Adding to 11361311052553 its reverse (35525011316311), we get a palindrome (46886322368864).

The spelling of 11361311052553 in words is "eleven trillion, three hundred sixty-one billion, three hundred eleven million, fifty-two thousand, five hundred fifty-three".