513121350165411 has 64 divisors (see below), whose sum is σ = 748234853218944. Its totient is φ = 310877960601600.

The previous prime is 513121350165397. The next prime is 513121350165509. The reversal of 513121350165411 is 114561053121315.

It is not a de Polignac number, because 513121350165411 - 2¹⁰ = 513121350164387 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 513121350165411.

It is not an unprimeable number, because it can be changed into a prime (513121350165511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4447904371 + ... + 4448019731.

It is an arithmetic number, because the mean of its divisors is an integer number (11691169581546).

Almost surely, 2^{513121350165411} is an apocalyptic number.

513121350165411 is a deficient number, since it is larger than the sum of its proper divisors (235113503053533).

513121350165411 is a wasteful number, since it uses less digits than its factorization.

513121350165411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118264.

The product of its (nonzero) digits is 54000, while the sum is 39.

The spelling of 513121350165411 in words is "five hundred thirteen trillion, one hundred twenty-one billion, three hundred fifty million, one hundred sixty-five thousand, four hundred eleven".