1325505223100 has 72 divisors (see below), whose sum is σ = 2907903653088. Its totient is φ = 524392243200.

The previous prime is 1325505222997. The next prime is 1325505223117. The reversal of 1325505223100 is 13225055231.

It is a super-2 number, since 2×1325505223100² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15020105 + ... + 15108095.

Almost surely, 2^{1325505223100} is an apocalyptic number.

1325505223100 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 1325505223100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1453951826544).

1325505223100 is an abundant number, since it is smaller than the sum of its proper divisors (1582398429988).

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

1325505223100 is a wasteful number, since it uses less digits than its factorization.

1325505223100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89655 (or 89648 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 29.

The spelling of 1325505223100 in words is "one trillion, three hundred twenty-five billion, five hundred five million, two hundred twenty-three thousand, one hundred".