1214553455533 has 16 divisors (see below), whose sum is σ = 1357370622720. Its totient is φ = 1077140275200.

The previous prime is 1214553455527. The next prime is 1214553455569. The reversal of 1214553455533 is 3355543554121.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-1214553455533 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1214553455503) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7751341 + ... + 7906477.

It is an arithmetic number, because the mean of its divisors is an integer number (84835663920).

Almost surely, 2^{1214553455533} is an apocalyptic number.

It is an amenable number.

1214553455533 is a deficient number, since it is larger than the sum of its proper divisors (142817167187).

1214553455533 is a wasteful number, since it uses less digits than its factorization.

1214553455533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172548.

The product of its digits is 2700000, while the sum is 46.

The spelling of 1214553455533 in words is "one trillion, two hundred fourteen billion, five hundred fifty-three million, four hundred fifty-five thousand, five hundred thirty-three".