1243534050415 has 8 divisors (see below), whose sum is σ = 1493398541520. Its totient is φ = 994055452992.

The previous prime is 1243534050293. The next prime is 1243534050419. The reversal of 1243534050415 is 5140504353421.

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-1243534050415 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1243534050419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96466329 + ... + 96479218.

It is an arithmetic number, because the mean of its divisors is an integer number (186674817690).

Almost surely, 2^{1243534050415} is an apocalyptic number.

1243534050415 is a deficient number, since it is larger than the sum of its proper divisors (249864491105).

1243534050415 is a wasteful number, since it uses less digits than its factorization.

1243534050415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192946841.

The product of its (nonzero) digits is 144000, while the sum is 37.

The spelling of 1243534050415 in words is "one trillion, two hundred forty-three billion, five hundred thirty-four million, fifty thousand, four hundred fifteen".