11020603650643 has 4 divisors (see below), whose sum is σ = 11668874453640. Its totient is φ = 10372332847648.

The previous prime is 11020603650611. The next prime is 11020603650673. The reversal of 11020603650643 is 34605630602011.

11020603650643 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 11020603650643 - 2⁵ = 11020603650611 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11020603650673) 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, 324135401473 + ... + 324135401506.

It is an arithmetic number, because the mean of its divisors is an integer number (2917218613410).

Almost surely, 2^{11020603650643} is an apocalyptic number.

11020603650643 is a deficient number, since it is larger than the sum of its proper divisors (648270802997).

11020603650643 is an equidigital number, since it uses as much as digits as its factorization.

11020603650643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 648270802996.

The product of its (nonzero) digits is 77760, while the sum is 37.

The spelling of 11020603650643 in words is "eleven trillion, twenty billion, six hundred three million, six hundred fifty thousand, six hundred forty-three".