511010252042 has 4 divisors (see below), whose sum is σ = 766515378066. Its totient is φ = 255505126020.

The previous prime is 511010252033. The next prime is 511010252119. The reversal of 511010252042 is 240252010115.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 376270601281 + 134739650761 = 613409^2 + 367069^2 .

It is a super-2 number, since 2×511010252042² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 511010251999 and 511010252017.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127752563009 + ... + 127752563012.

Almost surely, 2^511010252042 is an apocalyptic number.

511010252042 is a deficient number, since it is larger than the sum of its proper divisors (255505126024).

511010252042 is a wasteful number, since it uses less digits than its factorization.

511010252042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255505126023.

The product of its (nonzero) digits is 800, while the sum is 23.

Adding to 511010252042 its reverse (240252010115), we get a palindrome (751262262157).

The spelling of 511010252042 in words is "five hundred eleven billion, ten million, two hundred fifty-two thousand, forty-two".