11178900072 has 112 divisors (see below), whose sum is σ = 31526666880. Its totient is φ = 3714400800.

The previous prime is 11178900053. The next prime is 11178900113. The reversal of 11178900072 is 27000987111.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 1927497 + ... + 1933287.

Almost surely, 2^11178900072 is an apocalyptic number.

11178900072 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 11178900072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15763333440).

11178900072 is an abundant number, since it is smaller than the sum of its proper divisors (20347766808).

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

11178900072 is an equidigital number, since it uses as much as digits as its factorization.

11178900072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6146 (or 6127 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 36.

The spelling of 11178900072 in words is "eleven billion, one hundred seventy-eight million, nine hundred thousand, seventy-two".