1326552523120 has 160 divisors (see below), whose sum is σ = 3570251489280. Its totient is φ = 453024337920.

The previous prime is 1326552523091. The next prime is 1326552523159. The reversal of 1326552523120 is 213252556231.

It is a self number, because there is not a number n which added to its sum of digits gives 1326552523120.

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, 6830721 + ... + 7022239.

It is an arithmetic number, because the mean of its divisors is an integer number (22314071808).

Almost surely, 2^{1326552523120} is an apocalyptic number.

1326552523120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1326552523120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1785125744640).

1326552523120 is an abundant number, since it is smaller than the sum of its proper divisors (2243698966160).

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

1326552523120 is a wasteful number, since it uses less digits than its factorization.

1326552523120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192023 (or 192017 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 37.

The spelling of 1326552523120 in words is "one trillion, three hundred twenty-six billion, five hundred fifty-two million, five hundred twenty-three thousand, one hundred twenty".