11413636545 has 16 divisors (see below), whose sum is σ = 19336043520. Its totient is φ = 5729197824.

The previous prime is 11413636537. The next prime is 11413636573. The reversal of 11413636545 is 54563631411.

It is not a de Polignac number, because 11413636545 - 2³ = 11413636537 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22379425 + ... + 22379934.

It is an arithmetic number, because the mean of its divisors is an integer number (1208502720).

Almost surely, 2^11413636545 is an apocalyptic number.

11413636545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11413636545 is a deficient number, since it is larger than the sum of its proper divisors (7922406975).

11413636545 is a wasteful number, since it uses less digits than its factorization.

11413636545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44759384.

The product of its digits is 129600, while the sum is 39.

The spelling of 11413636545 in words is "eleven billion, four hundred thirteen million, six hundred thirty-six thousand, five hundred forty-five".