51023101361 has 8 divisors (see below), whose sum is σ = 51320666880. Its totient is φ = 50725675312.

The previous prime is 51023101333. The next prime is 51023101373. The reversal of 51023101361 is 16310132015.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51023101361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51023101301) 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, 750176 + ... + 815358.

It is an arithmetic number, because the mean of its divisors is an integer number (6415083360).

Almost surely, 2^51023101361 is an apocalyptic number.

It is an amenable number.

51023101361 is a deficient number, since it is larger than the sum of its proper divisors (297565519).

51023101361 is a wasteful number, since it uses less digits than its factorization.

51023101361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69735.

The product of its (nonzero) digits is 540, while the sum is 23.

Adding to 51023101361 its reverse (16310132015), we get a palindrome (67333233376).

The spelling of 51023101361 in words is "fifty-one billion, twenty-three million, one hundred one thousand, three hundred sixty-one".