515661141 has 16 divisors (see below), whose sum is σ = 710918208. Its totient is φ = 332246400.

The previous prime is 515661103. The next prime is 515661169. The reversal of 515661141 is 141166515.

It is not a de Polignac number, because 515661141 - 2⁶ = 515661077 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 515661099 and 515661108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (515661101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6430 + ... + 32751.

It is an arithmetic number, because the mean of its divisors is an integer number (44432388).

Almost surely, 2^515661141 is an apocalyptic number.

It is an amenable number.

515661141 is a deficient number, since it is larger than the sum of its proper divisors (195257067).

515661141 is a wasteful number, since it uses less digits than its factorization.

515661141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39332.

The product of its digits is 3600, while the sum is 30.

The square root of 515661141 is about 22708.1734404157. The cubic root of 515661141 is about 801.9023171721.

The spelling of 515661141 in words is "five hundred fifteen million, six hundred sixty-one thousand, one hundred forty-one".