1215102052427 has 2 divisors, whose sum is σ = 1215102052428. Its totient is φ = 1215102052426.

The previous prime is 1215102052399. The next prime is 1215102052441. The reversal of 1215102052427 is 7242502015121.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1215102052427 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1215102052393 and 1215102052402.

It is not a weakly prime, because it can be changed into another prime (1215102052447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 607551026213 + 607551026214.

It is an arithmetic number, because the mean of its divisors is an integer number (607551026214).

Almost surely, 2^{1215102052427} is an apocalyptic number.

1215102052427 is a deficient number, since it is larger than the sum of its proper divisors (1).

1215102052427 is an equidigital number, since it uses as much as digits as its factorization.

1215102052427 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11200, while the sum is 32.

Adding to 1215102052427 its reverse (7242502015121), we get a palindrome (8457604067548).

The spelling of 1215102052427 in words is "one trillion, two hundred fifteen billion, one hundred two million, fifty-two thousand, four hundred twenty-seven".