11154226512 has 160 divisors (see below), whose sum is σ = 34492542336. Its totient is φ = 3061094400.

The previous prime is 11154226481. The next prime is 11154226547. The reversal of 11154226512 is 21562245111.

It is a super-2 number, since 2×11154226512² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11154226512.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 348462 + ... + 379122.

Almost surely, 2^11154226512 is an apocalyptic number.

11154226512 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 11154226512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17246271168).

11154226512 is an abundant number, since it is smaller than the sum of its proper divisors (23338315824).

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

11154226512 is a wasteful number, since it uses less digits than its factorization.

11154226512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30749 (or 30743 counting only the distinct ones).

The product of its digits is 4800, while the sum is 30.

The spelling of 11154226512 in words is "eleven billion, one hundred fifty-four million, two hundred twenty-six thousand, five hundred twelve".