11612278272 has 160 divisors (see below), whose sum is σ = 36893210112. Its totient is φ = 3173474304.

The previous prime is 11612278253. The next prime is 11612278289. The reversal of 11612278272 is 27287221611.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 11612278272.

It is a congruent number.

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, 223818 + ... + 270774.

Almost surely, 2^11612278272 is an apocalyptic number.

11612278272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11612278272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18446605056).

11612278272 is an abundant number, since it is smaller than the sum of its proper divisors (25280931840).

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

11612278272 is an equidigital number, since it uses as much as digits as its factorization.

11612278272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47008 (or 46992 counting only the distinct ones).

The product of its digits is 37632, while the sum is 39.

Adding to 11612278272 its reverse (27287221611), we get a palindrome (38899499883).

The spelling of 11612278272 in words is "eleven billion, six hundred twelve million, two hundred seventy-eight thousand, two hundred seventy-two".