511352050044 has 144 divisors (see below), whose sum is σ = 1389635735040. Its totient is φ = 145063480320.

The previous prime is 511352049973. The next prime is 511352050087. The reversal of 511352050044 is 440050253115.

It is a super-2 number, since 2×511352050044² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 511352049993 and 511352050020.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3204012 + ... + 3359820.

It is an arithmetic number, because the mean of its divisors is an integer number (9650248160).

Almost surely, 2^511352050044 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 511352050044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (694817867520).

511352050044 is an abundant number, since it is smaller than the sum of its proper divisors (878283684996).

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

511352050044 is a wasteful number, since it uses less digits than its factorization.

511352050044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155920 (or 155895 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 30.

The spelling of 511352050044 in words is "five hundred eleven billion, three hundred fifty-two million, fifty thousand, forty-four".