511230242650 has 48 divisors (see below), whose sum is σ = 997653431808. Its totient is φ = 194651352000.

The previous prime is 511230242641. The next prime is 511230242651. The reversal of 511230242650 is 56242032115.

It is a super-2 number, since 2×511230242650² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is not an unprimeable number, because it can be changed into a prime (511230242651) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 2608942 + ... + 2798041.

It is an arithmetic number, because the mean of its divisors is an integer number (20784446496).

Almost surely, 2^511230242650 is an apocalyptic number.

511230242650 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

511230242650 is a deficient number, since it is larger than the sum of its proper divisors (486423189158).

511230242650 is a wasteful number, since it uses less digits than its factorization.

511230242650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5407087 (or 5407082 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 31.

Adding to 511230242650 its reverse (56242032115), we get a palindrome (567472274765).

The spelling of 511230242650 in words is "five hundred eleven billion, two hundred thirty million, two hundred forty-two thousand, six hundred fifty".