515151560116 has 24 divisors (see below), whose sum is σ = 956155301640. Its totient is φ = 242015434752.

The previous prime is 515151560083. The next prime is 515151560141. The reversal of 515151560116 is 611065151515.

It can be written as a sum of positive squares in 4 ways, for example, as 99969792400 + 415181767716 = 316180^2 + 644346^2 .

It is a super-2 number, since 2×515151560116² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6347331 + ... + 6427978.

It is an arithmetic number, because the mean of its divisors is an integer number (39839804235).

Almost surely, 2^515151560116 is an apocalyptic number.

It is an amenable number.

515151560116 is a deficient number, since it is larger than the sum of its proper divisors (441003741524).

515151560116 is a wasteful number, since it uses less digits than its factorization.

515151560116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12775923 (or 12775921 counting only the distinct ones).

The product of its (nonzero) digits is 22500, while the sum is 37.

The spelling of 515151560116 in words is "five hundred fifteen billion, one hundred fifty-one million, five hundred sixty thousand, one hundred sixteen".