51120202001 has 8 divisors (see below), whose sum is σ = 57064412064. Its totient is φ = 45392145120.

The previous prime is 51120201941. The next prime is 51120202013. The reversal of 51120202001 is 10020202115.

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 51120202001 - 2²⁶ = 51053093137 is a prime.

It is a super-2 number, since 2×51120202001² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (51120202051) 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, 54037796 + ... + 54038741.

It is an arithmetic number, because the mean of its divisors is an integer number (7133051508).

Almost surely, 2^51120202001 is an apocalyptic number.

It is an amenable number.

51120202001 is a deficient number, since it is larger than the sum of its proper divisors (5944210063).

51120202001 is a wasteful number, since it uses less digits than its factorization.

51120202001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108076591.

The product of its (nonzero) digits is 40, while the sum is 14.

Adding to 51120202001 its reverse (10020202115), we get a palindrome (61140404116).

The spelling of 51120202001 in words is "fifty-one billion, one hundred twenty million, two hundred two thousand, one".