1214633516555 has 4 divisors (see below), whose sum is σ = 1457560219872. Its totient is φ = 971706813240.

The previous prime is 1214633516531. The next prime is 1214633516563. The reversal of 1214633516555 is 5556153364121.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1214633516555 - 2³⁶ = 1145914039819 is a prime.

It is a Duffinian 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, 121463351651 + ... + 121463351660.

It is an arithmetic number, because the mean of its divisors is an integer number (364390054968).

Almost surely, 2^{1214633516555} is an apocalyptic number.

1214633516555 is a deficient number, since it is larger than the sum of its proper divisors (242926703317).

1214633516555 is an equidigital number, since it uses as much as digits as its factorization.

1214633516555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242926703316.

The product of its digits is 1620000, while the sum is 47.

The spelling of 1214633516555 in words is "one trillion, two hundred fourteen billion, six hundred thirty-three million, five hundred sixteen thousand, five hundred fifty-five".