3555495121 has 8 divisors (see below), whose sum is σ = 3683166464. Its totient is φ = 3428634960.

The previous prime is 3555495049. The next prime is 3555495161. The reversal of 3555495121 is 1215945553.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3555495121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3555495161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 193866 + ... + 211411.

It is an arithmetic number, because the mean of its divisors is an integer number (460395808).

Almost surely, 2^3555495121 is an apocalyptic number.

3555495121 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

3555495121 is a deficient number, since it is larger than the sum of its proper divisors (127671343).

3555495121 is a wasteful number, since it uses less digits than its factorization.

3555495121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 405591.

The product of its digits is 135000, while the sum is 40.

The square root of 3555495121 is about 59627.9726386870. The cubic root of 3555495121 is about 1526.2770091517.

The spelling of 3555495121 in words is "three billion, five hundred fifty-five million, four hundred ninety-five thousand, one hundred twenty-one".