1215010432345 has 8 divisors (see below), whose sum is σ = 1458018434376. Its totient is φ = 972004402176.

The previous prime is 1215010432331. The next prime is 1215010432373. The reversal of 1215010432345 is 5432340105121.

It can be written as a sum of positive squares in 4 ways, for example, as 34389106249 + 1180621326096 = 185443^2 + 1086564^2 .

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 1215010432345 - 2²³ = 1215002043737 is a prime.

It is a Duffinian 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, 2200569 + ... + 2696761.

It is an arithmetic number, because the mean of its divisors is an integer number (182252304297).

Almost surely, 2^{1215010432345} is an apocalyptic number.

It is an amenable number.

1215010432345 is a deficient number, since it is larger than the sum of its proper divisors (243008002031).

1215010432345 is an equidigital number, since it uses as much as digits as its factorization.

1215010432345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 985931.

The product of its (nonzero) digits is 14400, while the sum is 31.

Adding to 1215010432345 its reverse (5432340105121), we get a palindrome (6647350537466).

The spelling of 1215010432345 in words is "one trillion, two hundred fifteen billion, ten million, four hundred thirty-two thousand, three hundred forty-five".