1093400187285 has 32 divisors (see below), whose sum is σ = 2000464699392. Its totient is φ = 499563996480.

The previous prime is 1093400187197. The next prime is 1093400187287. The reversal of 1093400187285 is 5827810043901.

It is not a de Polignac number, because 1093400187285 - 2¹⁰ = 1093400186261 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1093400187287) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2684869 + ... + 3065178.

It is an arithmetic number, because the mean of its divisors is an integer number (62514521856).

Almost surely, 2^{1093400187285} is an apocalyptic number.

1093400187285 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1093400187285 is a deficient number, since it is larger than the sum of its proper divisors (907064512107).

1093400187285 is a wasteful number, since it uses less digits than its factorization.

1093400187285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5751873.

The product of its (nonzero) digits is 483840, while the sum is 48.

The spelling of 1093400187285 in words is "one trillion, ninety-three billion, four hundred million, one hundred eighty-seven thousand, two hundred eighty-five".