511543154341212 has 48 divisors (see below), whose sum is σ = 1364116704072192. Its totient is φ = 146155012758720.

The previous prime is 511543154341189. The next prime is 511543154341267. The reversal of 511543154341212 is 212143451345115.

It is a super-3 number, since 3×511543154341212³ (a number of 45 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78181537 + ... + 84471527.

It is an arithmetic number, because the mean of its divisors is an integer number (28419098001504).

Almost surely, 2^{511543154341212} is an apocalyptic number.

It is an amenable number.

511543154341212 is an abundant number, since it is smaller than the sum of its proper divisors (852573549730980).

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

511543154341212 is a wasteful number, since it uses less digits than its factorization.

511543154341212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7258178 (or 7258176 counting only the distinct ones).

The product of its digits is 288000, while the sum is 42.

The spelling of 511543154341212 in words is "five hundred eleven trillion, five hundred forty-three billion, one hundred fifty-four million, three hundred forty-one thousand, two hundred twelve".