1121566641104 has 80 divisors (see below), whose sum is σ = 2815268561280. Its totient is φ = 420344225280.

The previous prime is 1121566641079. The next prime is 1121566641121. The reversal of 1121566641104 is 4011466651211.

It is a Harshad number since it is a multiple of its sum of digits (38).

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, 20243567 + ... + 20298894.

It is an arithmetic number, because the mean of its divisors is an integer number (35190857016).

Almost surely, 2^{1121566641104} is an apocalyptic number.

1121566641104 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1121566641104 is an abundant number, since it is smaller than the sum of its proper divisors (1693701920176).

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

1121566641104 is a wasteful number, since it uses less digits than its factorization.

1121566641104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40542508 (or 40542502 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 38.

The spelling of 1121566641104 in words is "one trillion, one hundred twenty-one billion, five hundred sixty-six million, six hundred forty-one thousand, one hundred four".