11113051272 has 64 divisors (see below), whose sum is σ = 28173761280. Its totient is φ = 3652379712.

The previous prime is 11113051237. The next prime is 11113051277. The reversal of 11113051272 is 27215031111.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (11113051277) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1036483 + ... + 1047149.

It is an arithmetic number, because the mean of its divisors is an integer number (440215020).

Almost surely, 2^11113051272 is an apocalyptic number.

11113051272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11113051272 is an abundant number, since it is smaller than the sum of its proper divisors (17060710008).

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

11113051272 is a wasteful number, since it uses less digits than its factorization.

11113051272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11282 (or 11278 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 24.

Adding to 11113051272 its reverse (27215031111), we get a palindrome (38328082383).

The spelling of 11113051272 in words is "eleven billion, one hundred thirteen million, fifty-one thousand, two hundred seventy-two".