2157246043415 has 8 divisors (see below), whose sum is σ = 2589303095280. Its totient is φ = 1725391605952.

The previous prime is 2157246043387. The next prime is 2157246043507. The reversal of 2157246043415 is 5143406427512.

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 2157246043415 - 2¹⁶ = 2157245977879 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, 50630174 + ... + 50672763.

It is an arithmetic number, because the mean of its divisors is an integer number (323662886910).

Almost surely, 2^{2157246043415} is an apocalyptic number.

2157246043415 is a deficient number, since it is larger than the sum of its proper divisors (432057051865).

2157246043415 is a wasteful number, since it uses less digits than its factorization.

2157246043415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101307201.

The product of its (nonzero) digits is 806400, while the sum is 44.

The spelling of 2157246043415 in words is "two trillion, one hundred fifty-seven billion, two hundred forty-six million, forty-three thousand, four hundred fifteen".