511152233453652 has 72 divisors (see below), whose sum is σ = 1389557585110464. Its totient is φ = 145817771059968.

The previous prime is 511152233453629. The next prime is 511152233453677. The reversal of 511152233453652 is 256354332251115.

It is a super-2 number, since 2×511152233453652² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 671417493 + ... + 672178364.

It is an arithmetic number, because the mean of its divisors is an integer number (19299410904312).

Almost surely, 2^{511152233453652} is an apocalyptic number.

It is an amenable number.

511152233453652 is an abundant number, since it is smaller than the sum of its proper divisors (878405351656812).

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

511152233453652 is a wasteful number, since it uses less digits than its factorization.

511152233453652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1343596525 (or 1343596516 counting only the distinct ones).

The product of its digits is 3240000, while the sum is 48.

The spelling of 511152233453652 in words is "five hundred eleven trillion, one hundred fifty-two billion, two hundred thirty-three million, four hundred fifty-three thousand, six hundred fifty-two".