1215401343041 has 32 divisors (see below), whose sum is σ = 1319415552000. Its totient is φ = 1116046356480.

The previous prime is 1215401343029. The next prime is 1215401343049. The reversal of 1215401343041 is 1403431045121.

It is not a de Polignac number, because 1215401343041 - 2⁶ = 1215401342977 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1215401342995 and 1215401343013.

It is not an unprimeable number, because it can be changed into a prime (1215401343049) 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 31 ways as a sum of consecutive naturals, for example, 26171360 + ... + 26217758.

It is an arithmetic number, because the mean of its divisors is an integer number (41231736000).

Almost surely, 2^{1215401343041} is an apocalyptic number.

It is an amenable number.

1215401343041 is a deficient number, since it is larger than the sum of its proper divisors (104014208959).

1215401343041 is a wasteful number, since it uses less digits than its factorization.

1215401343041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46809.

The product of its (nonzero) digits is 5760, while the sum is 29.

Adding to 1215401343041 its reverse (1403431045121), we get a palindrome (2618832388162).

The spelling of 1215401343041 in words is "one trillion, two hundred fifteen billion, four hundred one million, three hundred forty-three thousand, forty-one".