1215115330432 has 32 divisors (see below), whose sum is σ = 2423775087720. Its totient is φ = 606795308544.

The previous prime is 1215115330283. The next prime is 1215115330441. The reversal of 1215115330432 is 2340335115121.

It is a tau number, because it is divible by the number of its divisors (32).

It is a junction number, because it is equal to n+sod(n) for n = 1215115330394 and 1215115330403.

It is a congruent number.

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, 5853498 + ... + 6057529.

Almost surely, 2^{1215115330432} is an apocalyptic number.

It is an amenable number.

1215115330432 is a deficient number, since it is larger than the sum of its proper divisors (1208659757288).

1215115330432 is an equidigital number, since it uses as much as digits as its factorization.

1215115330432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11911838 (or 11911826 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 31.

The spelling of 1215115330432 in words is "one trillion, two hundred fifteen billion, one hundred fifteen million, three hundred thirty thousand, four hundred thirty-two".