50142521515 has 8 divisors (see below), whose sum is σ = 60429271968. Its totient is φ = 39941853120.

The previous prime is 50142521431. The next prime is 50142521521. The reversal of 50142521515 is 51512524105.

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

It is a de Polignac number, because none of the positive numbers 2^k-50142521515 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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, 21519231 + ... + 21521560.

It is an arithmetic number, because the mean of its divisors is an integer number (7553658996).

Almost surely, 2^50142521515 is an apocalyptic number.

50142521515 is a deficient number, since it is larger than the sum of its proper divisors (10286750453).

50142521515 is a wasteful number, since it uses less digits than its factorization.

50142521515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43041029.

The product of its (nonzero) digits is 10000, while the sum is 31.

The spelling of 50142521515 in words is "fifty billion, one hundred forty-two million, five hundred twenty-one thousand, five hundred fifteen".