513424523115450 has 120 divisors (see below), whose sum is σ = 1426639768368672. Its totient is φ = 136905506808480.

The previous prime is 513424523115437. The next prime is 513424523115467. The reversal of 513424523115450 is 54511325424315.

513424523115450 is a `hidden beast` number, since 5 + 1 + 3 + 4 + 2 + 4 + 523 + 115 + 4 + 5 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 513424523115396 and 513424523115405.

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 68643747 + ... + 75754953.

Almost surely, 2^{513424523115450} is an apocalyptic number.

513424523115450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

513424523115450 is an abundant number, since it is smaller than the sum of its proper divisors (913215245253222).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

513424523115450 is a wasteful number, since it uses less digits than its factorization.

513424523115450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7129058 (or 7129044 counting only the distinct ones).

The product of its (nonzero) digits is 1440000, while the sum is 45.

Adding to 513424523115450 its reverse (54511325424315), we get a palindrome (567935848539765).

The spelling of 513424523115450 in words is "five hundred thirteen trillion, four hundred twenty-four billion, five hundred twenty-three million, one hundred fifteen thousand, four hundred fifty".