1325241125540 has 12 divisors (see below), whose sum is σ = 2783006363676. Its totient is φ = 530096450208.

The previous prime is 1325241125539. The next prime is 1325241125557. The reversal of 1325241125540 is 455211425231.

It can be written as a sum of positive squares in 2 ways, for example, as 765593500324 + 559647625216 = 874982^2 + 748096^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1325241125540.

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, 33131028119 + ... + 33131028158.

It is an arithmetic number, because the mean of its divisors is an integer number (231917196973).

Almost surely, 2^{1325241125540} is an apocalyptic number.

1325241125540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1325241125540 is an abundant number, since it is smaller than the sum of its proper divisors (1457765238136).

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

1325241125540 is a wasteful number, since it uses less digits than its factorization.

1325241125540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66262056286 (or 66262056284 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 35.

The spelling of 1325241125540 in words is "one trillion, three hundred twenty-five billion, two hundred forty-one million, one hundred twenty-five thousand, five hundred forty".