11272549305 has 16 divisors (see below), whose sum is σ = 18107941824. Its totient is φ = 5988072000.

The previous prime is 11272549279. The next prime is 11272549319. The reversal of 11272549305 is 50394527211.

It is not a de Polignac number, because 11272549305 - 2²⁴ = 11255772089 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, 1493254 + ... + 1500783.

It is an arithmetic number, because the mean of its divisors is an integer number (1131746364).

Almost surely, 2^11272549305 is an apocalyptic number.

11272549305 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11272549305 is a deficient number, since it is larger than the sum of its proper divisors (6835392519).

11272549305 is a wasteful number, since it uses less digits than its factorization.

11272549305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2994296.

The product of its (nonzero) digits is 75600, while the sum is 39.

The spelling of 11272549305 in words is "eleven billion, two hundred seventy-two million, five hundred forty-nine thousand, three hundred five".