51121012424523 has 8 divisors (see below), whose sum is σ = 68161849244736. Its totient is φ = 34080425277000.

The previous prime is 51121012424513. The next prime is 51121012424527. The reversal of 51121012424523 is 32542421012115.

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

It is not a de Polignac number, because 51121012424523 - 2²⁴ = 51120995647307 is a prime.

It is a super-2 number, since 2×51121012424523² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (51121012424527) 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, 61939893 + ... + 62759798.

It is an arithmetic number, because the mean of its divisors is an integer number (8520231155592).

Almost surely, 2^{51121012424523} is an apocalyptic number.

51121012424523 is a deficient number, since it is larger than the sum of its proper divisors (17040836820213).

51121012424523 is a wasteful number, since it uses less digits than its factorization.

51121012424523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124836345.

The product of its (nonzero) digits is 19200, while the sum is 33.

Adding to 51121012424523 its reverse (32542421012115), we get a palindrome (83663433436638).

The spelling of 51121012424523 in words is "fifty-one trillion, one hundred twenty-one billion, twelve million, four hundred twenty-four thousand, five hundred twenty-three".