11156281248 has 48 divisors (see below), whose sum is σ = 33468845760. Its totient is φ = 3187508736.

The previous prime is 11156281231. The next prime is 11156281259. The reversal of 11156281248 is 84218265111.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×11156281248² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8300133 + ... + 8301476.

It is an arithmetic number, because the mean of its divisors is an integer number (697267620).

Almost surely, 2^11156281248 is an apocalyptic number.

It is an amenable number.

11156281248 is an abundant number, since it is smaller than the sum of its proper divisors (22312564512).

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

11156281248 is a wasteful number, since it uses less digits than its factorization.

11156281248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16601629 (or 16601621 counting only the distinct ones).

The product of its digits is 30720, while the sum is 39.

The spelling of 11156281248 in words is "eleven billion, one hundred fifty-six million, two hundred eighty-one thousand, two hundred forty-eight".