1136228121285 has 16 divisors (see below), whose sum is σ = 1817978469504. Its totient is φ = 605983839552.

The previous prime is 1136228121283. The next prime is 1136228121377. The reversal of 1136228121285 is 5821218226311.

It is not a de Polignac number, because 1136228121285 - 2¹ = 1136228121283 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1136228121283) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3212544 + ... + 3548646.

It is an arithmetic number, because the mean of its divisors is an integer number (113623654344).

Almost surely, 2^{1136228121285} is an apocalyptic number.

1136228121285 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1136228121285 is a deficient number, since it is larger than the sum of its proper divisors (681750348219).

1136228121285 is a wasteful number, since it uses less digits than its factorization.

1136228121285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 561484.

The product of its digits is 92160, while the sum is 42.

The spelling of 1136228121285 in words is "one trillion, one hundred thirty-six billion, two hundred twenty-eight million, one hundred twenty-one thousand, two hundred eighty-five".