51025402115 has 8 divisors (see below), whose sum is σ = 61232004960. Its totient is φ = 40819306752.

The previous prime is 51025402069. The next prime is 51025402121. The reversal of 51025402115 is 51120452015.

51025402115 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51025402115 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 148787 + ... + 352403.

It is an arithmetic number, because the mean of its divisors is an integer number (7654000620).

Almost surely, 2^51025402115 is an apocalyptic number.

51025402115 is a deficient number, since it is larger than the sum of its proper divisors (10206602845).

51025402115 is a wasteful number, since it uses less digits than its factorization.

51025402115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253741.

The product of its (nonzero) digits is 2000, while the sum is 26.

The spelling of 51025402115 in words is "fifty-one billion, twenty-five million, four hundred two thousand, one hundred fifteen".