1112215942890 has 256 divisors, whose sum is σ = 3209328460800. Its totient is φ = 272471040000.

The previous prime is 1112215942867. The next prime is 1112215942967. The reversal of 1112215942890 is 982495122111.

1112215942890 is a `hidden beast` number, since 1 + 1 + 1 + 2 + 215 + 9 + 428 + 9 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 926074290 + ... + 926075490.

It is an arithmetic number, because the mean of its divisors is an integer number (12536439300).

Almost surely, 2^{1112215942890} is an apocalyptic number.

1112215942890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1112215942890, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1604664230400).

1112215942890 is an abundant number, since it is smaller than the sum of its proper divisors (2097112517910).

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

1112215942890 is a wasteful number, since it uses less digits than its factorization.

1112215942890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2270 (or 2264 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 45.

The spelling of 1112215942890 in words is "one trillion, one hundred twelve billion, two hundred fifteen million, nine hundred forty-two thousand, eight hundred ninety".