51131053545610 has 8 divisors (see below), whose sum is σ = 92035896382116. Its totient is φ = 20452421418240.

The previous prime is 51131053545601. The next prime is 51131053545617. The reversal of 51131053545610 is 1654535013115.

It can be written as a sum of positive squares in 2 ways, for example, as 48192849599449 + 2938203946161 = 6942107^2 + 1714119^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×51131053545610² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (51131053545617) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2556552677271 + ... + 2556552677290.

Almost surely, 2^{51131053545610} is an apocalyptic number.

51131053545610 is a deficient number, since it is larger than the sum of its proper divisors (40904842836506).

51131053545610 is a wasteful number, since it uses less digits than its factorization.

51131053545610 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5113105354568.

The product of its (nonzero) digits is 135000, while the sum is 40.

Adding to 51131053545610 its reverse (1654535013115), we get a palindrome (52785588558725).

The spelling of 51131053545610 in words is "fifty-one trillion, one hundred thirty-one billion, fifty-three million, five hundred forty-five thousand, six hundred ten".