50666021561515 has 32 divisors (see below), whose sum is σ = 62922396672000. Its totient is φ = 39135130455168.

The previous prime is 50666021561513. The next prime is 50666021561543. The reversal of 50666021561515 is 51516512066605.

50666021561515 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 50666021561515 - 2¹ = 50666021561513 is a prime.

It is not an unprimeable number, because it can be changed into a prime (50666021561513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14265006 + ... + 17459164.

It is an arithmetic number, because the mean of its divisors is an integer number (1966324896000).

Almost surely, 2^{50666021561515} is an apocalyptic number.

50666021561515 is a deficient number, since it is larger than the sum of its proper divisors (12256375110485).

50666021561515 is a wasteful number, since it uses less digits than its factorization.

50666021561515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3194859.

The product of its (nonzero) digits is 1620000, while the sum is 49.

The spelling of 50666021561515 in words is "fifty trillion, six hundred sixty-six billion, twenty-one million, five hundred sixty-one thousand, five hundred fifteen".