511124061142 has 8 divisors (see below), whose sum is σ = 766690227432. Its totient is φ = 255560652000.

The previous prime is 511124061137. The next prime is 511124061167. The reversal of 511124061142 is 241160421115.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×511124061142² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 511124061142.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 137484 + ... + 1020367.

It is an arithmetic number, because the mean of its divisors is an integer number (95836278429).

Almost surely, 2^511124061142 is an apocalyptic number.

511124061142 is a deficient number, since it is larger than the sum of its proper divisors (255566166290).

511124061142 is a wasteful number, since it uses less digits than its factorization.

511124061142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1378574.

The product of its (nonzero) digits is 1920, while the sum is 28.

Adding to 511124061142 its reverse (241160421115), we get a palindrome (752284482257).

The spelling of 511124061142 in words is "five hundred eleven billion, one hundred twenty-four million, sixty-one thousand, one hundred forty-two".