51501020701 has 8 divisors (see below), whose sum is σ = 55741347200. Its totient is φ = 47300509872.

The previous prime is 51501020689. The next prime is 51501020707. The reversal of 51501020701 is 10702010515.

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

It is a cyclic number.

It is not a de Polignac number, because 51501020701 - 2¹⁵ = 51500987933 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 (51501020707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9951225 + ... + 9956398.

It is an arithmetic number, because the mean of its divisors is an integer number (6967668400).

Almost surely, 2^51501020701 is an apocalyptic number.

It is an amenable number.

51501020701 is a deficient number, since it is larger than the sum of its proper divisors (4240326499).

51501020701 is a wasteful number, since it uses less digits than its factorization.

51501020701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19907835.

The product of its (nonzero) digits is 350, while the sum is 22.

The spelling of 51501020701 in words is "fifty-one billion, five hundred one million, twenty thousand, seven hundred one".