535355550122121 has 12 divisors (see below), whose sum is σ = 776166039214020. Its totient is φ = 355576920525600.

The previous prime is 535355550122011. The next prime is 535355550122167. The reversal of 535355550122121 is 121221055553535.

535355550122121 is a `hidden beast` number, since 5 + 3 + 5 + 3 + 55 + 550 + 1 + 2 + 21 + 21 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 244040291560521 + 291315258561600 = 15621789^2 + 17067960^2 .

It is not a de Polignac number, because 535355550122121 - 2²⁹ = 535355013251209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (535355550122521) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 110564960430 + ... + 110564965271.

It is an arithmetic number, because the mean of its divisors is an integer number (64680503267835).

Almost surely, 2^{535355550122121} is an apocalyptic number.

It is an amenable number.

535355550122121 is a deficient number, since it is larger than the sum of its proper divisors (240810489091899).

535355550122121 is a wasteful number, since it uses less digits than its factorization.

535355550122121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221129925976 (or 221129925973 counting only the distinct ones).

The product of its (nonzero) digits is 1125000, while the sum is 45.

The spelling of 535355550122121 in words is "five hundred thirty-five trillion, three hundred fifty-five billion, five hundred fifty million, one hundred twenty-two thousand, one hundred twenty-one".