51061115005 has 8 divisors (see below), whose sum is σ = 61279430400. Its totient is φ = 40844830416.

The previous prime is 51061114997. The next prime is 51061115011. The reversal of 51061115005 is 50051116015.

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 51061115005 - 2³ = 51061114997 is a prime.

It is a congruent number.

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, 451825 + ... + 553414.

It is an arithmetic number, because the mean of its divisors is an integer number (7659928800).

Almost surely, 2^51061115005 is an apocalyptic number.

It is an amenable number.

51061115005 is a deficient number, since it is larger than the sum of its proper divisors (10218315395).

51061115005 is a wasteful number, since it uses less digits than its factorization.

51061115005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1015403.

The product of its (nonzero) digits is 750, while the sum is 25.

The spelling of 51061115005 in words is "fifty-one billion, sixty-one million, one hundred fifteen thousand, five".