11272045136 has 20 divisors (see below), whose sum is σ = 23825004864. Its totient is φ = 5123656800.

The previous prime is 11272045133. The next prime is 11272045181. The reversal of 11272045136 is 63154027211.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11272045133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32022680 + ... + 32023031.

Almost surely, 2^11272045136 is an apocalyptic number.

11272045136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

11272045136 is an abundant number, since it is smaller than the sum of its proper divisors (12552959728).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11272045136 is a wasteful number, since it uses less digits than its factorization.

11272045136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64045730 (or 64045724 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 32.

The spelling of 11272045136 in words is "eleven billion, two hundred seventy-two million, forty-five thousand, one hundred thirty-six".