1325015054540 has 24 divisors (see below), whose sum is σ = 2782710307440. Its totient is φ = 529971985088.

The previous prime is 1325015054507. The next prime is 1325015054549. The reversal of 1325015054540 is 454505105231.

It is a super-2 number, since 2×1325015054540² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1325015054540.

It is not an unprimeable number, because it can be changed into a prime (1325015054549) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1806902 + ... + 2432061.

It is an arithmetic number, because the mean of its divisors is an integer number (115946262810).

Almost surely, 2^{1325015054540} is an apocalyptic number.

1325015054540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1325015054540 is an abundant number, since it is smaller than the sum of its proper divisors (1457695252900).

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

1325015054540 is a wasteful number, since it uses less digits than its factorization.

1325015054540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4254601 (or 4254599 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 35.

The spelling of 1325015054540 in words is "one trillion, three hundred twenty-five billion, fifteen million, fifty-four thousand, five hundred forty".