515151606151 has 32 divisors (see below), whose sum is σ = 667719127040. Its totient is φ = 385957281024.

The previous prime is 515151606139. The next prime is 515151606217. The reversal of 515151606151 is 151606151515.

It is not a de Polignac number, because 515151606151 - 2²¹ = 515149508999 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 515151606151.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (515151606121) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3635731 + ... + 3774763.

It is an arithmetic number, because the mean of its divisors is an integer number (20866222720).

Almost surely, 2^515151606151 is an apocalyptic number.

515151606151 is a deficient number, since it is larger than the sum of its proper divisors (152567520889).

515151606151 is a wasteful number, since it uses less digits than its factorization.

515151606151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141215.

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

Adding to 515151606151 its reverse (151606151515), we get a palindrome (666757757666).

The spelling of 515151606151 in words is "five hundred fifteen billion, one hundred fifty-one million, six hundred six thousand, one hundred fifty-one".