51342919101 has 6 divisors (see below), whose sum is σ = 74161994270. Its totient is φ = 34228612728.

The previous prime is 51342919099. The next prime is 51342919127. The reversal of 51342919101 is 10191924315.

51342919101 is a `hidden beast` number, since 513 + 4 + 29 + 19 + 101 = 666.

It can be written as a sum of positive squares in only one way, i.e., 46481204025 + 4861715076 = 215595^2 + 69726^2 .

It is not a de Polignac number, because 51342919101 - 2¹ = 51342919099 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51340919101) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2852384386 + ... + 2852384403.

Almost surely, 2^51342919101 is an apocalyptic number.

It is an amenable number.

51342919101 is a deficient number, since it is larger than the sum of its proper divisors (22819075169).

51342919101 is a wasteful number, since it uses less digits than its factorization.

51342919101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5704768795 (or 5704768792 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 36.

The spelling of 51342919101 in words is "fifty-one billion, three hundred forty-two million, nine hundred nineteen thousand, one hundred one".