711257138533 has 2 divisors, whose sum is σ = 711257138534. Its totient is φ = 711257138532.

The previous prime is 711257138497. The next prime is 711257138561. The reversal of 711257138533 is 335831752117.

711257138533 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 418599942049 + 292657196484 = 646993^2 + 540978^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-711257138533 is a prime.

It is a super-2 number, since 2×711257138533² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (711257138833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 355628569266 + 355628569267.

It is an arithmetic number, because the mean of its divisors is an integer number (355628569267).

Almost surely, 2^711257138533 is an apocalyptic number.

It is an amenable number.

711257138533 is a deficient number, since it is larger than the sum of its proper divisors (1).

711257138533 is an equidigital number, since it uses as much as digits as its factorization.

711257138533 is an evil number, because the sum of its binary digits is even.

The product of its digits is 529200, while the sum is 46.

The spelling of 711257138533 in words is "seven hundred eleven billion, two hundred fifty-seven million, one hundred thirty-eight thousand, five hundred thirty-three".