1478218815119 has 2 divisors, whose sum is σ = 1478218815120. Its totient is φ = 1478218815118.

The previous prime is 1478218815061. The next prime is 1478218815251. The reversal of 1478218815119 is 9115188128741.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1478218815119 - 2¹² = 1478218811023 is a prime.

It is a super-2 number, since 2×1478218815119² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1478218815419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 739109407559 + 739109407560.

It is an arithmetic number, because the mean of its divisors is an integer number (739109407560).

Almost surely, 2^{1478218815119} is an apocalyptic number.

1478218815119 is a deficient number, since it is larger than the sum of its proper divisors (1).

1478218815119 is an equidigital number, since it uses as much as digits as its factorization.

1478218815119 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1290240, while the sum is 56.

The spelling of 1478218815119 in words is "one trillion, four hundred seventy-eight billion, two hundred eighteen million, eight hundred fifteen thousand, one hundred nineteen".