1888402065061 has 2 divisors, whose sum is σ = 1888402065062. Its totient is φ = 1888402065060.

The previous prime is 1888402065031. The next prime is 1888402065097. The reversal of 1888402065061 is 1605602048881.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1872778565025 + 15623500036 = 1368495^2 + 124994^2 .

It is an emirp because it is prime and its reverse (1605602048881) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1888402065061 - 2³¹ = 1886254581413 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1888402064996 and 1888402065014.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1888402065031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 944201032530 + 944201032531.

It is an arithmetic number, because the mean of its divisors is an integer number (944201032531).

Almost surely, 2^{1888402065061} is an apocalyptic number.

It is an amenable number.

1888402065061 is a deficient number, since it is larger than the sum of its proper divisors (1).

1888402065061 is an equidigital number, since it uses as much as digits as its factorization.

1888402065061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 737280, while the sum is 49.

The spelling of 1888402065061 in words is "one trillion, eight hundred eighty-eight billion, four hundred two million, sixty-five thousand, sixty-one".