1215083497448 has 16 divisors (see below), whose sum is σ = 2278335582180. Its totient is φ = 607527342208.

The previous prime is 1215083497427. The next prime is 1215083497517. The reversal of 1215083497448 is 8447943805121.

It can be written as a sum of positive squares in 2 ways, for example, as 1212337527844 + 2745969604 = 1101062^2 + 52402^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1215083497393 and 1215083497402.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1438061 + ... + 2120892.

Almost surely, 2^{1215083497448} is an apocalyptic number.

It is an amenable number.

1215083497448 is a deficient number, since it is larger than the sum of its proper divisors (1063252084732).

1215083497448 is a wasteful number, since it uses less digits than its factorization.

1215083497448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3601636 (or 3601632 counting only the distinct ones).

The product of its (nonzero) digits is 7741440, while the sum is 56.

The spelling of 1215083497448 in words is "one trillion, two hundred fifteen billion, eighty-three million, four hundred ninety-seven thousand, four hundred forty-eight".