511156411142 has 16 divisors (see below), whose sum is σ = 826799272992. Its totient is φ = 235608323520.

The previous prime is 511156411081. The next prime is 511156411177. The reversal of 511156411142 is 241114651115.

It is a super-2 number, since 2×511156411142² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 511156411099 and 511156411108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12897338 + ... + 12936909.

It is an arithmetic number, because the mean of its divisors is an integer number (51674954562).

Almost surely, 2^511156411142 is an apocalyptic number.

511156411142 is a deficient number, since it is larger than the sum of its proper divisors (315642861850).

511156411142 is a wasteful number, since it uses less digits than its factorization.

511156411142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25835023.

The product of its digits is 4800, while the sum is 32.

The spelling of 511156411142 in words is "five hundred eleven billion, one hundred fifty-six million, four hundred eleven thousand, one hundred forty-two".