11545041646 has 4 divisors (see below), whose sum is σ = 17317562472. Its totient is φ = 5772520822.

The previous prime is 11545041631. The next prime is 11545041647. The reversal of 11545041646 is 64614054511.

11545041646 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 congruent number.

It is not an unprimeable number, because it can be changed into a prime (11545041647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2886260410 + ... + 2886260413.

It is an arithmetic number, because the mean of its divisors is an integer number (4329390618).

Almost surely, 2^11545041646 is an apocalyptic number.

11545041646 is a deficient number, since it is larger than the sum of its proper divisors (5772520826).

11545041646 is an equidigital number, since it uses as much as digits as its factorization.

11545041646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5772520825.

The product of its (nonzero) digits is 57600, while the sum is 37.

The spelling of 11545041646 in words is "eleven billion, five hundred forty-five million, forty-one thousand, six hundred forty-six".