51355011002 has 8 divisors (see below), whose sum is σ = 77052552096. Its totient is φ = 25670826972.

The previous prime is 51355010981. The next prime is 51355011011. The reversal of 51355011002 is 20011055315.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3329648 + ... + 3345035.

It is an arithmetic number, because the mean of its divisors is an integer number (9631569012).

Almost surely, 2^51355011002 is an apocalyptic number.

51355011002 is a deficient number, since it is larger than the sum of its proper divisors (25697541094).

51355011002 is a wasteful number, since it uses less digits than its factorization.

51355011002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6678532.

The product of its (nonzero) digits is 750, while the sum is 23.

Adding to 51355011002 its reverse (20011055315), we get a palindrome (71366066317).

The spelling of 51355011002 in words is "fifty-one billion, three hundred fifty-five million, eleven thousand, two".