1215143004101 has 16 divisors (see below), whose sum is σ = 1310093428224. Its totient is φ = 1120404446784.

The previous prime is 1215143004091. The next prime is 1215143004149. The reversal of 1215143004101 is 1014003415121.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1215143004101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1215143004001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44863775 + ... + 44890851.

It is an arithmetic number, because the mean of its divisors is an integer number (81880839264).

Almost surely, 2^{1215143004101} is an apocalyptic number.

It is an amenable number.

1215143004101 is a deficient number, since it is larger than the sum of its proper divisors (94950424123).

1215143004101 is a wasteful number, since it uses less digits than its factorization.

1215143004101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30860.

The product of its (nonzero) digits is 480, while the sum is 23.

Adding to 1215143004101 its reverse (1014003415121), we get a palindrome (2229146419222).

The spelling of 1215143004101 in words is "one trillion, two hundred fifteen billion, one hundred forty-three million, four thousand, one hundred one".