48642728551 has 2 divisors, whose sum is σ = 48642728552. Its totient is φ = 48642728550.

The previous prime is 48642728521. The next prime is 48642728627. The reversal of 48642728551 is 15582724684.

48642728551 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 48642728551 - 2¹⁹ = 48642204263 is a prime.

It is a super-2 number, since 2×48642728551² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (48642728501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24321364275 + 24321364276.

It is an arithmetic number, because the mean of its divisors is an integer number (24321364276).

Almost surely, 2^48642728551 is an apocalyptic number.

48642728551 is a deficient number, since it is larger than the sum of its proper divisors (1).

48642728551 is an equidigital number, since it uses as much as digits as its factorization.

48642728551 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4300800, while the sum is 52.

The spelling of 48642728551 in words is "forty-eight billion, six hundred forty-two million, seven hundred twenty-eight thousand, five hundred fifty-one".