51132530644123 has 8 divisors (see below), whose sum is σ = 52670320294592. Its totient is φ = 49602942539136.

The previous prime is 51132530644103. The next prime is 51132530644159. The reversal of 51132530644123 is 32144603523115.

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

It is a cyclic number.

It is not a de Polignac number, because 51132530644123 - 2¹³ = 51132530635931 is a prime.

It is a super-2 number, since 2×51132530644123² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (51132530644103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2050373715 + ... + 2050398652.

It is an arithmetic number, because the mean of its divisors is an integer number (6583790036824).

Almost surely, 2^{51132530644123} is an apocalyptic number.

51132530644123 is a deficient number, since it is larger than the sum of its proper divisors (1537789650469).

51132530644123 is a wasteful number, since it uses less digits than its factorization.

51132530644123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4100772741.

The product of its (nonzero) digits is 259200, while the sum is 40.

The spelling of 51132530644123 in words is "fifty-one trillion, one hundred thirty-two billion, five hundred thirty million, six hundred forty-four thousand, one hundred twenty-three".