11744940545 has 16 divisors (see below), whose sum is σ = 15208536000. Its totient is φ = 8655781824.

The previous prime is 11744940533. The next prime is 11744940583. The reversal of 11744940545 is 54504944711.

It is a cyclic number.

It is not a de Polignac number, because 11744940545 - 2³⁰ = 10671198721 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11744940496 and 11744940505.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 148619 + ... + 213488.

It is an arithmetic number, because the mean of its divisors is an integer number (950533500).

Almost surely, 2^11744940545 is an apocalyptic number.

It is an amenable number.

11744940545 is a deficient number, since it is larger than the sum of its proper divisors (3463595455).

11744940545 is a wasteful number, since it uses less digits than its factorization.

11744940545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362624.

The product of its (nonzero) digits is 403200, while the sum is 44.

The spelling of 11744940545 in words is "eleven billion, seven hundred forty-four million, nine hundred forty thousand, five hundred forty-five".