1215141033125 has 10 divisors (see below), whose sum is σ = 1518440235774. Its totient is φ = 972112826000.

The previous prime is 1215141033061. The next prime is 1215141033131. The reversal of 1215141033125 is 5213301415121.

It is a happy number.

It can be written as a sum of positive squares in 5 ways, for example, as 273715219684 + 941425813441 = 523178^2 + 970271^2 .

It is not a de Polignac number, because 1215141033125 - 2⁶ = 1215141033061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 9 ways as a sum of consecutive naturals, for example, 972112202 + ... + 972113451.

Almost surely, 2^{1215141033125} is an apocalyptic number.

It is an amenable number.

1215141033125 is a deficient number, since it is larger than the sum of its proper divisors (303299202649).

1215141033125 is an frugal number, since it uses more digits than its factorization.

1215141033125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1944225673 (or 1944225658 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 29.

Adding to 1215141033125 its reverse (5213301415121), we get a palindrome (6428442448246).

The spelling of 1215141033125 in words is "one trillion, two hundred fifteen billion, one hundred forty-one million, thirty-three thousand, one hundred twenty-five".