51001132216 has 16 divisors (see below), whose sum is σ = 95868003240. Its totient is φ = 25436331360.

The previous prime is 51001132207. The next prime is 51001132219. The reversal of 51001132216 is 61223110015.

It is a happy number.

It is a super-2 number, since 2×51001132216² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51001132219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8025970 + ... + 8032321.

Almost surely, 2^51001132216 is an apocalyptic number.

It is an amenable number.

51001132216 is a deficient number, since it is larger than the sum of its proper divisors (44866871024).

51001132216 is a wasteful number, since it uses less digits than its factorization.

51001132216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16058694 (or 16058690 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 22.

The spelling of 51001132216 in words is "fifty-one billion, one million, one hundred thirty-two thousand, two hundred sixteen".