51161323254411 has 8 divisors (see below), whose sum is σ = 68220715368960. Its totient is φ = 34104739988072.

The previous prime is 51161323254337. The next prime is 51161323254439. The reversal of 51161323254411 is 11445232316115.

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 51161323254411 - 2¹⁰ = 51161323253387 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 51161323254411.

It is not an unprimeable number, because it can be changed into a prime (51161323254611) 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, 702169551 + ... + 702242408.

It is an arithmetic number, because the mean of its divisors is an integer number (8527589421120).

Almost surely, 2^{51161323254411} is an apocalyptic number.

51161323254411 is a deficient number, since it is larger than the sum of its proper divisors (17059392114549).

51161323254411 is a wasteful number, since it uses less digits than its factorization.

51161323254411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1404424105.

The product of its digits is 86400, while the sum is 39.

The spelling of 51161323254411 in words is "fifty-one trillion, one hundred sixty-one billion, three hundred twenty-three million, two hundred fifty-four thousand, four hundred eleven".