1329815525052 has 36 divisors (see below), whose sum is σ = 3609499283880. Its totient is φ = 379947292704.

The previous prime is 1329815524997. The next prime is 1329815525081. The reversal of 1329815525052 is 2505255189231.

It is a junction number, because it is equal to n+sod(n) for n = 1329815524992 and 1329815525010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1130794927 + ... + 1130796102.

Almost surely, 2^{1329815525052} is an apocalyptic number.

1329815525052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1329815525052 is an abundant number, since it is smaller than the sum of its proper divisors (2279683758828).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1329815525052 is a wasteful number, since it uses less digits than its factorization.

1329815525052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2261591050 (or 2261591041 counting only the distinct ones).

The product of its (nonzero) digits is 1080000, while the sum is 48.

The spelling of 1329815525052 in words is "one trillion, three hundred twenty-nine billion, eight hundred fifteen million, five hundred twenty-five thousand, fifty-two".