1215553423041 has 12 divisors (see below), whose sum is σ = 1758137347200. Its totient is φ = 809289891000.

The previous prime is 1215553423039. The next prime is 1215553423043. The reversal of 1215553423041 is 1403243555121.

1215553423041 is a `hidden beast` number, since 1 + 2 + 1 + 5 + 5 + 5 + 342 + 304 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (1215553423039) and next prime (1215553423043).

It is not a de Polignac number, because 1215553423041 - 2¹ = 1215553423039 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1215553422987 and 1215553423005.

It is not an unprimeable number, because it can be changed into a prime (1215553423043) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 89914341 + ... + 89927858.

It is an arithmetic number, because the mean of its divisors is an integer number (146511445600).

Almost surely, 2^{1215553423041} is an apocalyptic number.

It is an amenable number.

1215553423041 is a deficient number, since it is larger than the sum of its proper divisors (542583924159).

1215553423041 is a wasteful number, since it uses less digits than its factorization.

1215553423041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179842956 (or 179842953 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

Adding to 1215553423041 its reverse (1403243555121), we get a palindrome (2618796978162).

The spelling of 1215553423041 in words is "one trillion, two hundred fifteen billion, five hundred fifty-three million, four hundred twenty-three thousand, forty-one".