83111708628049 has 2 divisors, whose sum is σ = 83111708628050. Its totient is φ = 83111708628048.

The previous prime is 83111708628023. The next prime is 83111708628107. The reversal of 83111708628049 is 94082680711138.

It is an a-pointer prime, because the next prime (83111708628107) can be obtained adding 83111708628049 to its sum of digits (58).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 58750998606400 + 24360710021649 = 7664920^2 + 4935657^2 .

It is a cyclic number.

It is not a de Polignac number, because 83111708628049 - 2¹⁵ = 83111708595281 is a prime.

It is a super-2 number, since 2×83111708628049² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 83111708627984 and 83111708628002.

It is not a weakly prime, because it can be changed into another prime (83111708628649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41555854314024 + 41555854314025.

It is an arithmetic number, because the mean of its divisors is an integer number (41555854314025).

Almost surely, 2^{83111708628049} is an apocalyptic number.

It is an amenable number.

83111708628049 is a deficient number, since it is larger than the sum of its proper divisors (1).

83111708628049 is an equidigital number, since it uses as much as digits as its factorization.

83111708628049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4644864, while the sum is 58.

The spelling of 83111708628049 in words is "eighty-three trillion, one hundred eleven billion, seven hundred eight million, six hundred twenty-eight thousand, forty-nine".