1214331155503 has 8 divisors (see below), whose sum is σ = 1287900756576. Its totient is φ = 1142492604000.

The previous prime is 1214331155491. The next prime is 1214331155551. The reversal of 1214331155503 is 3055511334121.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1214331155503 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 (1214331155603) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 432760948 + ... + 432763753.

It is an arithmetic number, because the mean of its divisors is an integer number (160987594572).

Almost surely, 2^{1214331155503} is an apocalyptic number.

1214331155503 is a deficient number, since it is larger than the sum of its proper divisors (73569601073).

1214331155503 is an equidigital number, since it uses as much as digits as its factorization.

1214331155503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 865524785.

The product of its (nonzero) digits is 27000, while the sum is 34.

Adding to 1214331155503 its reverse (3055511334121), we get a palindrome (4269842489624).

The spelling of 1214331155503 in words is "one trillion, two hundred fourteen billion, three hundred thirty-one million, one hundred fifty-five thousand, five hundred three".