11087294720 has 72 divisors (see below), whose sum is σ = 27058786776. Its totient is φ = 4351213568.

The previous prime is 11087294707. The next prime is 11087294807. The reversal of 11087294720 is 2749278011.

It can be written as a sum of positive squares in 4 ways, for example, as 5147201536 + 5940093184 = 71744^2 + 77072^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13877 + ... + 149556.

It is an arithmetic number, because the mean of its divisors is an integer number (375816483).

Almost surely, 2^11087294720 is an apocalyptic number.

11087294720 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 11087294720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13529393388).

11087294720 is an abundant number, since it is smaller than the sum of its proper divisors (15971492056).

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

11087294720 is an equidigital number, since it uses as much as digits as its factorization.

11087294720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163507 (or 163493 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 41.

The spelling of 11087294720 in words is "eleven billion, eighty-seven million, two hundred ninety-four thousand, seven hundred twenty".