1211554351114 has 8 divisors (see below), whose sum is σ = 1817383914720. Its totient is φ = 605759712876.

The previous prime is 1211554351103. The next prime is 1211554351261. The reversal of 1211554351114 is 4111534551121.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1211554351114.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8644444 + ... + 8783479.

It is an arithmetic number, because the mean of its divisors is an integer number (227172989340).

Almost surely, 2^{1211554351114} is an apocalyptic number.

1211554351114 is a deficient number, since it is larger than the sum of its proper divisors (605829563606).

1211554351114 is a wasteful number, since it uses less digits than its factorization.

1211554351114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17462684.

The product of its digits is 12000, while the sum is 34.

The spelling of 1211554351114 in words is "one trillion, two hundred eleven billion, five hundred fifty-four million, three hundred fifty-one thousand, one hundred fourteen".