51501055101 has 8 divisors (see below), whose sum is σ = 69831939360. Its totient is φ = 33752103792.

The previous prime is 51501055087. The next prime is 51501055121. The reversal of 51501055101 is 10155010515.

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

It is not a de Polignac number, because 51501055101 - 2⁵ = 51501055069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51501055121) 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, 145483030 + ... + 145483383.

It is an arithmetic number, because the mean of its divisors is an integer number (8728992420).

Almost surely, 2^51501055101 is an apocalyptic number.

It is an amenable number.

51501055101 is a deficient number, since it is larger than the sum of its proper divisors (18330884259).

51501055101 is a wasteful number, since it uses less digits than its factorization.

51501055101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290966475.

The product of its (nonzero) digits is 625, while the sum is 24.

Adding to 51501055101 its reverse (10155010515), we get a palindrome (61656065616).

The spelling of 51501055101 in words is "fifty-one billion, five hundred one million, fifty-five thousand, one hundred one".