51651110407 has 8 divisors (see below), whose sum is σ = 55628871536. Its totient is φ = 47674006272.

The previous prime is 51651110389. The next prime is 51651110429. The reversal of 51651110407 is 70401115615.

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 51651110407 - 2³⁵ = 17291372039 is a prime.

It is a super-2 number, since 2×51651110407² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51651110437) 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, 5548 + ... + 321454.

It is an arithmetic number, because the mean of its divisors is an integer number (6953608942).

Almost surely, 2^51651110407 is an apocalyptic number.

51651110407 is a deficient number, since it is larger than the sum of its proper divisors (3977761129).

51651110407 is a wasteful number, since it uses less digits than its factorization.

51651110407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328497.

The product of its (nonzero) digits is 4200, while the sum is 31.

The spelling of 51651110407 in words is "fifty-one billion, six hundred fifty-one million, one hundred ten thousand, four hundred seven".