51515133101 has 8 divisors (see below), whose sum is σ = 52779916224. Its totient is φ = 50250746080.

The previous prime is 51515133083. The next prime is 51515133127. The reversal of 51515133101 is 10133151515.

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-51515133101 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 (51515133401) 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, 173360 + ... + 364806.

It is an arithmetic number, because the mean of its divisors is an integer number (6597489528).

Almost surely, 2^51515133101 is an apocalyptic number.

It is an amenable number.

51515133101 is a deficient number, since it is larger than the sum of its proper divisors (1264783123).

51515133101 is a wasteful number, since it uses less digits than its factorization.

51515133101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198051.

The product of its (nonzero) digits is 1125, while the sum is 26.

Adding to 51515133101 its reverse (10133151515), we get a palindrome (61648284616).

The spelling of 51515133101 in words is "fifty-one billion, five hundred fifteen million, one hundred thirty-three thousand, one hundred one".