511455109121 has 16 divisors (see below), whose sum is σ = 558997770240. Its totient is φ = 464087670480.

The previous prime is 511455109103. The next prime is 511455109163. The reversal of 511455109121 is 121901554115.

It is a cyclic number.

It is not a de Polignac number, because 511455109121 - 2¹⁸ = 511454846977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (511455109171) 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, 14237060 + ... + 14272938.

It is an arithmetic number, because the mean of its divisors is an integer number (34937360640).

Almost surely, 2^511455109121 is an apocalyptic number.

It is an amenable number.

511455109121 is a deficient number, since it is larger than the sum of its proper divisors (47542661119).

511455109121 is a wasteful number, since it uses less digits than its factorization.

511455109121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38284.

The product of its (nonzero) digits is 9000, while the sum is 35.

The spelling of 511455109121 in words is "five hundred eleven billion, four hundred fifty-five million, one hundred nine thousand, one hundred twenty-one".