51106061061101 has 4 divisors (see below), whose sum is σ = 51108001406400. Its totient is φ = 51104120715804.

The previous prime is 51106061061061. The next prime is 51106061061137. The reversal of 51106061061101 is 10116016060115.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 51106061061101 - 2¹⁸ = 51106060798957 is a prime.

It is a super-2 number, since 2×51106061061101² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51106061061161) 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, 970133141 + ... + 970185818.

It is an arithmetic number, because the mean of its divisors is an integer number (12777000351600).

Almost surely, 2^{51106061061101} is an apocalyptic number.

It is an amenable number.

51106061061101 is a deficient number, since it is larger than the sum of its proper divisors (1940345299).

51106061061101 is a wasteful number, since it uses less digits than its factorization.

51106061061101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1940345298.

The product of its (nonzero) digits is 1080, while the sum is 29.

The spelling of 51106061061101 in words is "fifty-one trillion, one hundred six billion, sixty-one million, sixty-one thousand, one hundred one".