50115563077765 has 8 divisors (see below), whose sum is σ = 60352692334488. Its totient is φ = 39949772701440.

The previous prime is 50115563077763. The next prime is 50115563077787. The reversal of 50115563077765 is 56777036551105.

It can be written as a sum of positive squares in 4 ways, for example, as 19943316050436 + 30172247027329 = 4465794^2 + 5492927^2 .

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

It is not a de Polignac number, because 50115563077765 - 2¹ = 50115563077763 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50115563077763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17834718552 + ... + 17834721361.

It is an arithmetic number, because the mean of its divisors is an integer number (7544086541811).

Almost surely, 2^{50115563077765} is an apocalyptic number.

It is an amenable number.

50115563077765 is a deficient number, since it is larger than the sum of its proper divisors (10237129256723).

50115563077765 is a wasteful number, since it uses less digits than its factorization.

50115563077765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35669440199.

The product of its (nonzero) digits is 23152500, while the sum is 58.

The spelling of 50115563077765 in words is "fifty trillion, one hundred fifteen billion, five hundred sixty-three million, seventy-seven thousand, seven hundred sixty-five".