11545620344 has 8 divisors (see below), whose sum is σ = 21648038160. Its totient is φ = 5772810168.

The previous prime is 11545620301. The next prime is 11545620403. The reversal of 11545620344 is 44302654511.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 721601264 + ... + 721601279.

It is an arithmetic number, because the mean of its divisors is an integer number (2706004770).

Almost surely, 2^11545620344 is an apocalyptic number.

It is an amenable number.

11545620344 is a deficient number, since it is larger than the sum of its proper divisors (10102417816).

11545620344 is a wasteful number, since it uses less digits than its factorization.

11545620344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1443202549 (or 1443202545 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 35.

The spelling of 11545620344 in words is "eleven billion, five hundred forty-five million, six hundred twenty thousand, three hundred forty-four".