552135520121 has 16 divisors (see below), whose sum is σ = 559539187200. Its totient is φ = 544759826688.

The previous prime is 552135520103. The next prime is 552135520141. The reversal of 552135520121 is 121025531255.

It is a cyclic number.

It is not a de Polignac number, because 552135520121 - 2¹⁸ = 552135257977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (552135520141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 109569920 + ... + 109574958.

It is an arithmetic number, because the mean of its divisors is an integer number (34971199200).

Almost surely, 2^552135520121 is an apocalyptic number.

It is an amenable number.

552135520121 is a deficient number, since it is larger than the sum of its proper divisors (7403667079).

552135520121 is a wasteful number, since it uses less digits than its factorization.

552135520121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7528.

The product of its (nonzero) digits is 15000, while the sum is 32.

The spelling of 552135520121 in words is "five hundred fifty-two billion, one hundred thirty-five million, five hundred twenty thousand, one hundred twenty-one".