50278257511 has 2 divisors, whose sum is σ = 50278257512. Its totient is φ = 50278257510.

The previous prime is 50278257479. The next prime is 50278257581. The reversal of 50278257511 is 11575287205.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 50278257511 - 2⁵ = 50278257479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50278257581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25139128755 + 25139128756.

It is an arithmetic number, because the mean of its divisors is an integer number (25139128756).

Almost surely, 2^50278257511 is an apocalyptic number.

50278257511 is a deficient number, since it is larger than the sum of its proper divisors (1).

50278257511 is an equidigital number, since it uses as much as digits as its factorization.

50278257511 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 196000, while the sum is 43.

The spelling of 50278257511 in words is "fifty billion, two hundred seventy-eight million, two hundred fifty-seven thousand, five hundred eleven".