11288654885 has 8 divisors (see below), whose sum is σ = 13550232696. Its totient is φ = 9028359360.

The previous prime is 11288654837. The next prime is 11288654921. The reversal of 11288654885 is 58845688211.

It can be written as a sum of positive squares in 4 ways, for example, as 319444129 + 10969210756 = 17873^2 + 104734^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-11288654885 is a prime.

It is a super-2 number, since 2×11288654885² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11288654885.

It is a congruent number.

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, 301094 + ... + 336503.

It is an arithmetic number, because the mean of its divisors is an integer number (1693779087).

Almost surely, 2^11288654885 is an apocalyptic number.

It is an amenable number.

11288654885 is a deficient number, since it is larger than the sum of its proper divisors (2261577811).

11288654885 is an equidigital number, since it uses as much as digits as its factorization.

11288654885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 641143.

The product of its digits is 4915200, while the sum is 56.

The spelling of 11288654885 in words is "eleven billion, two hundred eighty-eight million, six hundred fifty-four thousand, eight hundred eighty-five".