11036897280 has 156 divisors (see below), whose sum is σ = 38257212240. Its totient is φ = 2943123456.

The previous prime is 11036897243. The next prime is 11036897293. The reversal of 11036897280 is 8279863011.

11036897280 is a `hidden beast` number, since 1 + 1 + 0 + 368 + 9 + 7 + 280 = 666.

It is a super-3 number, since 3×11036897280³ (a number of 31 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 154381 + ... + 214259.

It is an arithmetic number, because the mean of its divisors is an integer number (245238540).

Almost surely, 2^11036897280 is an apocalyptic number.

11036897280 is a gapful number since it is divisible by the number (10) 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 11036897280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19128606120).

11036897280 is an abundant number, since it is smaller than the sum of its proper divisors (27220314960).

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

11036897280 is an equidigital number, since it uses as much as digits as its factorization.

11036897280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59914 (or 59889 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The spelling of 11036897280 in words is "eleven billion, thirty-six million, eight hundred ninety-seven thousand, two hundred eighty".