11284973855 has 8 divisors (see below), whose sum is σ = 13797477792. Its totient is φ = 8857639648.

The previous prime is 11284973839. The next prime is 11284973857. The reversal of 11284973855 is 55837948211.

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

It is a cyclic number.

It is not a de Polignac number, because 11284973855 - 2⁴ = 11284973839 is a prime.

It is a super-2 number, since 2×11284973855² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (53).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11284973797 and 11284973806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11284973857) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21292139 + ... + 21292668.

It is an arithmetic number, because the mean of its divisors is an integer number (1724684724).

Almost surely, 2^11284973855 is an apocalyptic number.

11284973855 is a deficient number, since it is larger than the sum of its proper divisors (2512503937).

11284973855 is an equidigital number, since it uses as much as digits as its factorization.

11284973855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42584865.

The product of its digits is 2419200, while the sum is 53.

The spelling of 11284973855 in words is "eleven billion, two hundred eighty-four million, nine hundred seventy-three thousand, eight hundred fifty-five".