12325550620544 has 32 divisors (see below), whose sum is σ = 28062637575600. Its totient is φ = 5282378836992.

The previous prime is 12325550620541. The next prime is 12325550620571. The reversal of 12325550620544 is 44502605552321.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (32).

It is a junction number, because it is equal to n+sod(n) for n = 12325550620495 and 12325550620504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12325550620541) 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, 6878096549 + ... + 6878098340.

Almost surely, 2^{12325550620544} is an apocalyptic number.

12325550620544 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

12325550620544 is an abundant number, since it is smaller than the sum of its proper divisors (15737086955056).

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

12325550620544 is an equidigital number, since it uses as much as digits as its factorization.

12325550620544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13756194910 (or 13756194898 counting only the distinct ones).

The product of its (nonzero) digits is 1440000, while the sum is 44.

The spelling of 12325550620544 in words is "twelve trillion, three hundred twenty-five billion, five hundred fifty million, six hundred twenty thousand, five hundred forty-four".