1216137148415 has 8 divisors (see below), whose sum is σ = 1667845232160. Its totient is φ = 833922616032.

The previous prime is 1216137148409. The next prime is 1216137148427. The reversal of 1216137148415 is 5148417316121.

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

It is a cyclic number.

It is not a de Polignac number, because 1216137148415 - 2¹⁴ = 1216137132031 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17373387800 + ... + 17373387869.

It is an arithmetic number, because the mean of its divisors is an integer number (208480654020).

Almost surely, 2^{1216137148415} is an apocalyptic number.

1216137148415 is a deficient number, since it is larger than the sum of its proper divisors (451708083745).

1216137148415 is an equidigital number, since it uses as much as digits as its factorization.

1216137148415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34746775681.

The product of its digits is 161280, while the sum is 44.

The spelling of 1216137148415 in words is "one trillion, two hundred sixteen billion, one hundred thirty-seven million, one hundred forty-eight thousand, four hundred fifteen".