1325515454412 has 12 divisors (see below), whose sum is σ = 3092869393656. Its totient is φ = 441838484800.

The previous prime is 1325515454411. The next prime is 1325515454413. The reversal of 1325515454412 is 2144545155231.

It is an interprime number because it is at equal distance from previous prime (1325515454411) and next prime (1325515454413).

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (1325515454411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55229810589 + ... + 55229810612.

It is an arithmetic number, because the mean of its divisors is an integer number (257739116138).

Almost surely, 2^{1325515454412} is an apocalyptic number.

1325515454412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1325515454412 is an abundant number, since it is smaller than the sum of its proper divisors (1767353939244).

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

1325515454412 is a wasteful number, since it uses less digits than its factorization.

1325515454412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110459621208 (or 110459621206 counting only the distinct ones).

The product of its digits is 480000, while the sum is 42.

The spelling of 1325515454412 in words is "one trillion, three hundred twenty-five billion, five hundred fifteen million, four hundred fifty-four thousand, four hundred twelve".