513575451242 has 96 divisors (see below), whose sum is σ = 916769544768. Its totient is φ = 215101764864.

The previous prime is 513575451229. The next prime is 513575451247. The reversal of 513575451242 is 242154575315.

It is a junction number, because it is equal to n+sod(n) for n = 513575451193 and 513575451202.

It is not an unprimeable number, because it can be changed into a prime (513575451247) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 432666173 + ... + 432667359.

It is an arithmetic number, because the mean of its divisors is an integer number (9549682758).

Almost surely, 2^513575451242 is an apocalyptic number.

513575451242 is a deficient number, since it is larger than the sum of its proper divisors (403194093526).

513575451242 is a wasteful number, since it uses less digits than its factorization.

513575451242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1780 (or 1773 counting only the distinct ones).

The product of its digits is 840000, while the sum is 44.

The spelling of 513575451242 in words is "five hundred thirteen billion, five hundred seventy-five million, four hundred fifty-one thousand, two hundred forty-two".