1117840122890 has 16 divisors (see below), whose sum is σ = 2013520303080. Its totient is φ = 446823142080.

The previous prime is 1117840122877. The next prime is 1117840122911. The reversal of 1117840122890 is 982210487111.

It can be written as a sum of positive squares in 4 ways, for example, as 618020816449 + 499819306441 = 786143^2 + 706979^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39098381 + ... + 39126960.

Almost surely, 2^{1117840122890} is an apocalyptic number.

1117840122890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1117840122890 is a deficient number, since it is larger than the sum of its proper divisors (895680180190).

1117840122890 is a wasteful number, since it uses less digits than its factorization.

1117840122890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78226777.

The product of its (nonzero) digits is 64512, while the sum is 44.

The spelling of 1117840122890 in words is "one trillion, one hundred seventeen billion, eight hundred forty million, one hundred twenty-two thousand, eight hundred ninety".