511020054402 has 32 divisors (see below), whose sum is σ = 1200718451520. Its totient is φ = 142942672320.

The previous prime is 511020054379. The next prime is 511020054437. The reversal of 511020054402 is 204450020115.

It is a super-2 number, since 2×511020054402² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 297796377 + ... + 297798092.

It is an arithmetic number, because the mean of its divisors is an integer number (37522451610).

Almost surely, 2^511020054402 is an apocalyptic number.

511020054402 is an abundant number, since it is smaller than the sum of its proper divisors (689698397118).

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

511020054402 is a wasteful number, since it uses less digits than its factorization.

511020054402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 595594498.

The product of its (nonzero) digits is 1600, while the sum is 24.

Adding to 511020054402 its reverse (204450020115), we get a palindrome (715470074517).

The spelling of 511020054402 in words is "five hundred eleven billion, twenty million, fifty-four thousand, four hundred two".