513240211512 has 96 divisors (see below), whose sum is σ = 1643380034400. Its totient is φ = 141583502592.

The previous prime is 513240211489. The next prime is 513240211513. The reversal of 513240211512 is 215112042315.

It is a happy number.

513240211512 is a `hidden beast` number, since 5 + 132 + 4 + 0 + 2 + 11 + 512 = 666.

It is a super-2 number, since 2×513240211512² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513240211513) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17542863 + ... + 17572094.

It is an arithmetic number, because the mean of its divisors is an integer number (17118542025).

Almost surely, 2^513240211512 is an apocalyptic number.

It is an amenable number.

513240211512 is an abundant number, since it is smaller than the sum of its proper divisors (1130139822888).

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

513240211512 is a wasteful number, since it uses less digits than its factorization.

513240211512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35115005 (or 35114998 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

Adding to 513240211512 its reverse (215112042315), we get a palindrome (728352253827).

The spelling of 513240211512 in words is "five hundred thirteen billion, two hundred forty million, two hundred eleven thousand, five hundred twelve".