1215152205125 has 32 divisors (see below), whose sum is σ = 1527960305664. Its totient is φ = 964785360000.

The previous prime is 1215152205097. The next prime is 1215152205149. The reversal of 1215152205125 is 5215022515121.

It is not a de Polignac number, because 1215152205125 - 2⁸ = 1215152204869 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1215152205091 and 1215152205100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 105193100 + ... + 105204650.

It is an arithmetic number, because the mean of its divisors is an integer number (47748759552).

Almost surely, 2^{1215152205125} is an apocalyptic number.

It is an amenable number.

1215152205125 is a deficient number, since it is larger than the sum of its proper divisors (312808100539).

1215152205125 is a wasteful number, since it uses less digits than its factorization.

1215152205125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17846 (or 17836 counting only the distinct ones).

The product of its (nonzero) digits is 10000, while the sum is 32.

The spelling of 1215152205125 in words is "one trillion, two hundred fifteen billion, one hundred fifty-two million, two hundred five thousand, one hundred twenty-five".