511163052252 has 24 divisors (see below), whose sum is σ = 1199608092816. Its totient is φ = 169402783488.

The previous prime is 511163052233. The next prime is 511163052293. The reversal of 511163052252 is 252250361115.

It is a super-2 number, since 2×511163052252² (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 (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 123110413 + ... + 123114564.

It is an arithmetic number, because the mean of its divisors is an integer number (49983670534).

Almost surely, 2^511163052252 is an apocalyptic number.

It is an amenable number.

511163052252 is an abundant number, since it is smaller than the sum of its proper divisors (688445040564).

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

511163052252 is a wasteful number, since it uses less digits than its factorization.

511163052252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246225157 (or 246225155 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 33.

The spelling of 511163052252 in words is "five hundred eleven billion, one hundred sixty-three million, fifty-two thousand, two hundred fifty-two".