1011984848892 has 144 divisors (see below), whose sum is σ = 2748716530560. Its totient is φ = 312982268544.

The previous prime is 1011984848879. The next prime is 1011984848893. The reversal of 1011984848892 is 2988484891101.

1011984848892 is a `hidden beast` number, since 10 + 1 + 19 + 8 + 48 + 488 + 92 = 666.

It is a super-2 number, since 2×1011984848892² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011984848893) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7864423 + ... + 7992065.

It is an arithmetic number, because the mean of its divisors is an integer number (19088309240).

Almost surely, 2^{1011984848892} is an apocalyptic number.

1011984848892 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 1011984848892, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1374358265280).

1011984848892 is an abundant number, since it is smaller than the sum of its proper divisors (1736731681668).

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

1011984848892 is a wasteful number, since it uses less digits than its factorization.

1011984848892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127912 (or 127907 counting only the distinct ones).

The product of its (nonzero) digits is 10616832, while the sum is 63.

The spelling of 1011984848892 in words is "one trillion, eleven billion, nine hundred eighty-four million, eight hundred forty-eight thousand, eight hundred ninety-two".