50131278132536 has 32 divisors (see below), whose sum is σ = 97081571889360. Its totient is φ = 24255816129792.

The previous prime is 50131278132499. The next prime is 50131278132547. The reversal of 50131278132536 is 63523187213105.

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, 809791970 + ... + 809853873.

Almost surely, 2^{50131278132536} is an apocalyptic number.

It is an amenable number.

50131278132536 is a deficient number, since it is larger than the sum of its proper divisors (46950293756824).

50131278132536 is a wasteful number, since it uses less digits than its factorization.

50131278132536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1619645975 (or 1619645971 counting only the distinct ones).

The product of its (nonzero) digits is 907200, while the sum is 47.

The spelling of 50131278132536 in words is "fifty trillion, one hundred thirty-one billion, two hundred seventy-eight million, one hundred thirty-two thousand, five hundred thirty-six".