1214534321544 has 16 divisors (see below), whose sum is σ = 3036335803920. Its totient is φ = 404844773840.

The previous prime is 1214534321543. The next prime is 1214534321591. The reversal of 1214534321544 is 4451234354121.

It is not an unprimeable number, because it can be changed into a prime (1214534321543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25302798342 + ... + 25302798389.

It is an arithmetic number, because the mean of its divisors is an integer number (189770987745).

Almost surely, 2^{1214534321544} is an apocalyptic number.

It is an amenable number.

1214534321544 is an abundant number, since it is smaller than the sum of its proper divisors (1821801482376).

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

1214534321544 is a wasteful number, since it uses less digits than its factorization.

1214534321544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50605596740 (or 50605596736 counting only the distinct ones).

The product of its digits is 230400, while the sum is 39.

Adding to 1214534321544 its reverse (4451234354121), we get a palindrome (5665768675665).

The spelling of 1214534321544 in words is "one trillion, two hundred fourteen billion, five hundred thirty-four million, three hundred twenty-one thousand, five hundred forty-four".