1214440511355 has 24 divisors (see below), whose sum is σ = 2105221633632. Its totient is φ = 647642709504.

The previous prime is 1214440511341. The next prime is 1214440511359. The reversal of 1214440511355 is 5531150444121.

1214440511355 is a `hidden beast` number, since 1 + 214 + 4 + 40 + 51 + 1 + 355 = 666.

It is not a de Polignac number, because 1214440511355 - 2¹⁰ = 1214440510331 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1214440511359) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 724374 + ... + 1718603.

It is an arithmetic number, because the mean of its divisors is an integer number (87717568068).

Almost surely, 2^{1214440511355} is an apocalyptic number.

1214440511355 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1214440511355 is a deficient number, since it is larger than the sum of its proper divisors (890781122277).

1214440511355 is a wasteful number, since it uses less digits than its factorization.

1214440511355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2454035 (or 2454032 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 36.

Adding to 1214440511355 its reverse (5531150444121), we get a palindrome (6745590955476).

The spelling of 1214440511355 in words is "one trillion, two hundred fourteen billion, four hundred forty million, five hundred eleven thousand, three hundred fifty-five".