53211434511000 has 256 divisors, whose sum is σ = 175796433371520. Its totient is φ = 13354199040000.

The previous prime is 53211434510989. The next prime is 53211434511071. The reversal of 53211434511000 is 11543411235.

It is a Harshad number since it is a multiple of its sum of digits (30).

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 63 ways as a sum of consecutive naturals, for example, 1577974140 + ... + 1578007860.

Almost surely, 2^{53211434511000} is an apocalyptic number.

53211434511000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53211434511000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87898216685760).

53211434511000 is an abundant number, since it is smaller than the sum of its proper divisors (122584998860520).

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

53211434511000 is a wasteful number, since it uses less digits than its factorization.

53211434511000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64703 (or 64689 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 30.

Adding to 53211434511000 its reverse (11543411235), we get a palindrome (53222977922235).

The spelling of 53211434511000 in words is "fifty-three trillion, two hundred eleven billion, four hundred thirty-four million, five hundred eleven thousand".