13554212025520 has 20 divisors (see below), whose sum is σ = 31513542959520. Its totient is φ = 5421684810176.

The previous prime is 13554212025517. The next prime is 13554212025533. The reversal of 13554212025520 is 2552021245531.

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-2 number, since 2×13554212025520² (a number of 27 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 13554212025520.

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, 84713825080 + ... + 84713825239.

It is an arithmetic number, because the mean of its divisors is an integer number (1575677147976).

Almost surely, 2^{13554212025520} is an apocalyptic number.

13554212025520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13554212025520 is an abundant number, since it is smaller than the sum of its proper divisors (17959330934000).

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

13554212025520 is a wasteful number, since it uses less digits than its factorization.

13554212025520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169427650332 (or 169427650326 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 37.

The spelling of 13554212025520 in words is "thirteen trillion, five hundred fifty-four billion, two hundred twelve million, twenty-five thousand, five hundred twenty".