511143042102 has 48 divisors (see below), whose sum is σ = 1284194102016. Its totient is φ = 132764425200.

The previous prime is 511143042079. The next prime is 511143042131. The reversal of 511143042102 is 201240341115.

It is a super-2 number, since 2×511143042102² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 50284474 + ... + 50294637.

It is an arithmetic number, because the mean of its divisors is an integer number (26754043792).

Almost surely, 2^511143042102 is an apocalyptic number.

511143042102 is an abundant number, since it is smaller than the sum of its proper divisors (773051059914).

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

511143042102 is a wasteful number, since it uses less digits than its factorization.

511143042102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100579145 (or 100579134 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

Adding to 511143042102 its reverse (201240341115), we get a palindrome (712383383217).

The spelling of 511143042102 in words is "five hundred eleven billion, one hundred forty-three million, forty-two thousand, one hundred two".