3555605540121 has 8 divisors (see below), whose sum is σ = 4741163062944. Its totient is φ = 2370225855360.

The previous prime is 3555605540093. The next prime is 3555605540177. The reversal of 3555605540121 is 1210455065553.

It is a happy number.

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

It is not a de Polignac number, because 3555605540121 - 2¹⁰ = 3555605539097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3555605540321) 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, 44412856 + ... + 44492841.

It is an arithmetic number, because the mean of its divisors is an integer number (592645382868).

Almost surely, 2^{3555605540121} is an apocalyptic number.

It is an amenable number.

3555605540121 is a deficient number, since it is larger than the sum of its proper divisors (1185557522823).

3555605540121 is a wasteful number, since it uses less digits than its factorization.

3555605540121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88919031.

The product of its (nonzero) digits is 450000, while the sum is 42.

The spelling of 3555605540121 in words is "three trillion, five hundred fifty-five billion, six hundred five million, five hundred forty thousand, one hundred twenty-one".