51662251101 has 8 divisors (see below), whose sum is σ = 68884985344. Its totient is φ = 34440508800.

The previous prime is 51662251097. The next prime is 51662251153. The reversal of 51662251101 is 10115226615.

51662251101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 51662251101 - 2² = 51662251097 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 (51662251181) 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, 116500 + ... + 341901.

It is an arithmetic number, because the mean of its divisors is an integer number (8610623168).

Almost surely, 2^51662251101 is an apocalyptic number.

It is an amenable number.

51662251101 is a deficient number, since it is larger than the sum of its proper divisors (17222734243).

51662251101 is a wasteful number, since it uses less digits than its factorization.

51662251101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 495971.

The product of its (nonzero) digits is 3600, while the sum is 30.

Adding to 51662251101 its reverse (10115226615), we get a palindrome (61777477716).

The spelling of 51662251101 in words is "fifty-one billion, six hundred sixty-two million, two hundred fifty-one thousand, one hundred one".