515223331052 has 6 divisors (see below), whose sum is σ = 901640829348. Its totient is φ = 257611665524.

The previous prime is 515223331031. The next prime is 515223331057. The reversal of 515223331052 is 250133322515.

It is not an unprimeable number, because it can be changed into a prime (515223331057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64402916378 + ... + 64402916385.

It is an arithmetic number, because the mean of its divisors is an integer number (150273471558).

Almost surely, 2^515223331052 is an apocalyptic number.

It is an amenable number.

515223331052 is a deficient number, since it is larger than the sum of its proper divisors (386417498296).

515223331052 is a wasteful number, since it uses less digits than its factorization.

515223331052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128805832767 (or 128805832765 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 32.

Adding to 515223331052 its reverse (250133322515), we get a palindrome (765356653567).

The spelling of 515223331052 in words is "five hundred fifteen billion, two hundred twenty-three million, three hundred thirty-one thousand, fifty-two".