13554212025521 has 8 divisors (see below), whose sum is σ = 14289335136384. Its totient is φ = 12831239710080.

The previous prime is 13554212025517. The next prime is 13554212025533. The reversal of 13554212025521 is 12552021245531.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13554212025521 - 2² = 13554212025517 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13554212025511) 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, 3037696565 + ... + 3037701026.

It is an arithmetic number, because the mean of its divisors is an integer number (1786166892048).

Almost surely, 2^{13554212025521} is an apocalyptic number.

It is an amenable number.

13554212025521 is a deficient number, since it is larger than the sum of its proper divisors (735123110863).

13554212025521 is an equidigital number, since it uses as much as digits as its factorization.

13554212025521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6075397711.

The product of its (nonzero) digits is 120000, while the sum is 38.

The spelling of 13554212025521 in words is "thirteen trillion, five hundred fifty-four billion, two hundred twelve million, twenty-five thousand, five hundred twenty-one".