515135116252302 has 48 divisors (see below), whose sum is σ = 1274992071350400. Its totient is φ = 135859810877856.

The previous prime is 515135116252297. The next prime is 515135116252313. The reversal of 515135116252302 is 203252611531515.

It is a super-2 number, since 2×515135116252302² (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

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, 36287335552 + ... + 36287349747.

It is an arithmetic number, because the mean of its divisors is an integer number (26562334819800).

Almost surely, 2^{515135116252302} is an apocalyptic number.

515135116252302 is an abundant number, since it is smaller than the sum of its proper divisors (759856955098098).

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

515135116252302 is a wasteful number, since it uses less digits than its factorization.

515135116252302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72574685337 (or 72574685324 counting only the distinct ones).

The product of its (nonzero) digits is 270000, while the sum is 42.

Adding to 515135116252302 its reverse (203252611531515), we get a palindrome (718387727783817).

The spelling of 515135116252302 in words is "five hundred fifteen trillion, one hundred thirty-five billion, one hundred sixteen million, two hundred fifty-two thousand, three hundred two".