1121781577414 has 8 divisors (see below), whose sum is σ = 1684622162880. Its totient is φ = 560240856456.

The previous prime is 1121781577409. The next prime is 1121781577447. The reversal of 1121781577414 is 4147751871211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 324963969 + ... + 324967420.

It is an arithmetic number, because the mean of its divisors is an integer number (210577770360).

Almost surely, 2^{1121781577414} is an apocalyptic number.

1121781577414 is a deficient number, since it is larger than the sum of its proper divisors (562840585466).

1121781577414 is an equidigital number, since it uses as much as digits as its factorization.

1121781577414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 649932254.

The product of its digits is 439040, while the sum is 49.

The spelling of 1121781577414 in words is "one trillion, one hundred twenty-one billion, seven hundred eighty-one million, five hundred seventy-seven thousand, four hundred fourteen".