1121366827868 has 24 divisors (see below), whose sum is σ = 2303348080992. Its totient is φ = 467596977984.

The previous prime is 1121366827853. The next prime is 1121366827901. The reversal of 1121366827868 is 8687286631211.

It is a congruent number.

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, 541199171 + ... + 541201242.

It is an arithmetic number, because the mean of its divisors is an integer number (95972836708).

Almost surely, 2^{1121366827868} is an apocalyptic number.

It is an amenable number.

1121366827868 is an abundant number, since it is smaller than the sum of its proper divisors (1181981253124).

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

1121366827868 is a wasteful number, since it uses less digits than its factorization.

1121366827868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1082400461 (or 1082400459 counting only the distinct ones).

The product of its digits is 9289728, while the sum is 59.

The spelling of 1121366827868 in words is "one trillion, one hundred twenty-one billion, three hundred sixty-six million, eight hundred twenty-seven thousand, eight hundred sixty-eight".