5135511040 has 240 divisors, whose sum is σ = 13812709680. Its totient is φ = 1829273600.

The previous prime is 5135511037. The next prime is 5135511077. The reversal of 5135511040 is 401155315.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 5135510996 and 5135511014.

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, 18275700 + ... + 18275980.

It is an arithmetic number, because the mean of its divisors is an integer number (57552957).

Almost surely, 2^5135511040 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 5135511040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6906354840).

5135511040 is an abundant number, since it is smaller than the sum of its proper divisors (8677198640).

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

5135511040 is a wasteful number, since it uses less digits than its factorization.

5135511040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385 (or 358 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 25.

The square root of 5135511040 is about 71662.4800017415. The cubic root of 5135511040 is about 1725.2864933384.

Adding to 5135511040 its reverse (401155315), we get a palindrome (5536666355).

The spelling of 5135511040 in words is "five billion, one hundred thirty-five million, five hundred eleven thousand, forty".