51291496201 has 16 divisors (see below), whose sum is σ = 56329095168. Its totient is φ = 46316848000.

The previous prime is 51291496181. The next prime is 51291496211. The reversal of 51291496201 is 10269419215.

It is a cyclic number.

It is not a de Polignac number, because 51291496201 - 2¹¹ = 51291494153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51291496211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2178645 + ... + 2202061.

It is an arithmetic number, because the mean of its divisors is an integer number (3520568448).

Almost surely, 2^51291496201 is an apocalyptic number.

It is an amenable number.

51291496201 is a deficient number, since it is larger than the sum of its proper divisors (5037598967).

51291496201 is a wasteful number, since it uses less digits than its factorization.

51291496201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24752.

The product of its (nonzero) digits is 38880, while the sum is 40.

The spelling of 51291496201 in words is "fifty-one billion, two hundred ninety-one million, four hundred ninety-six thousand, two hundred one".