11354205656053 has 4 divisors (see below), whose sum is σ = 12227606091148. Its totient is φ = 10480805220960.

The previous prime is 11354205656047. The next prime is 11354205656107. The reversal of 11354205656053 is 35065650245311.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6471157559409 + 4883048096644 = 2543847^2 + 2209762^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11354205656053 is a prime.

It is a super-2 number, since 2×11354205656053² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11354205655994 and 11354205656012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11354205656033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 436700217528 + ... + 436700217553.

It is an arithmetic number, because the mean of its divisors is an integer number (3056901522787).

Almost surely, 2^{11354205656053} is an apocalyptic number.

11354205656053 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

11354205656053 is a deficient number, since it is larger than the sum of its proper divisors (873400435095).

11354205656053 is an equidigital number, since it uses as much as digits as its factorization.

11354205656053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 873400435094.

The product of its (nonzero) digits is 1620000, while the sum is 46.

The spelling of 11354205656053 in words is "eleven trillion, three hundred fifty-four billion, two hundred five million, six hundred fifty-six thousand, fifty-three".