48318638861 has 2 divisors, whose sum is σ = 48318638862. Its totient is φ = 48318638860.

The previous prime is 48318638833. The next prime is 48318638903. The reversal of 48318638861 is 16883681384.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42720756100 + 5597882761 = 206690^2 + 74819^2 .

It is a cyclic number.

It is not a de Polignac number, because 48318638861 - 2³⁴ = 31138769677 is a prime.

It is a super-2 number, since 2×48318638861² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 48318638797 and 48318638806.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (48318638261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24159319430 + 24159319431.

It is an arithmetic number, because the mean of its divisors is an integer number (24159319431).

Almost surely, 2^48318638861 is an apocalyptic number.

It is an amenable number.

48318638861 is a deficient number, since it is larger than the sum of its proper divisors (1).

48318638861 is an equidigital number, since it uses as much as digits as its factorization.

48318638861 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5308416, while the sum is 56.

The spelling of 48318638861 in words is "forty-eight billion, three hundred eighteen million, six hundred thirty-eight thousand, eight hundred sixty-one".