51787102495 has 16 divisors (see below), whose sum is σ = 64328436000. Its totient is φ = 39975562368.

The previous prime is 51787102481. The next prime is 51787102511. The reversal of 51787102495 is 59420178715.

It is a cyclic number.

It is not a de Polignac number, because 51787102495 - 2⁹ = 51787101983 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 115861 + ... + 342049.

It is an arithmetic number, because the mean of its divisors is an integer number (4020527250).

Almost surely, 2^51787102495 is an apocalyptic number.

51787102495 is a deficient number, since it is larger than the sum of its proper divisors (12541333505).

51787102495 is a wasteful number, since it uses less digits than its factorization.

51787102495 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227802.

The product of its (nonzero) digits is 705600, while the sum is 49.

The spelling of 51787102495 in words is "fifty-one billion, seven hundred eighty-seven million, one hundred two thousand, four hundred ninety-five".