1895801378112 has 112 divisors (see below), whose sum is σ = 5579427398400. Its totient is φ = 631239598080.

The previous prime is 1895801378089. The next prime is 1895801378167. The reversal of 1895801378112 is 2118731085981.

1895801378112 is a `hidden beast` number, since 1 + 89 + 5 + 80 + 1 + 378 + 112 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 972064 + ... + 2176352.

Almost surely, 2^{1895801378112} is an apocalyptic number.

1895801378112 is a gapful number since it is divisible by the number (12) 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 1895801378112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2789713699200).

1895801378112 is an abundant number, since it is smaller than the sum of its proper divisors (3683626020288).

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

1895801378112 is a wasteful number, since it uses less digits than its factorization.

1895801378112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1205221 (or 1205205 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 54.

The spelling of 1895801378112 in words is "one trillion, eight hundred ninety-five billion, eight hundred one million, three hundred seventy-eight thousand, one hundred twelve".