71383615043311 has 2 divisors, whose sum is σ = 71383615043312. Its totient is φ = 71383615043310.

The previous prime is 71383615043269. The next prime is 71383615043329. The reversal of 71383615043311 is 11334051638317.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 71383615043311 - 2³⁹ = 70833859229423 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71383615046311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35691807521655 + 35691807521656.

It is an arithmetic number, because the mean of its divisors is an integer number (35691807521656).

Almost surely, 2^{71383615043311} is an apocalyptic number.

71383615043311 is a deficient number, since it is larger than the sum of its proper divisors (1).

71383615043311 is an equidigital number, since it uses as much as digits as its factorization.

71383615043311 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 544320, while the sum is 46.

The spelling of 71383615043311 in words is "seventy-one trillion, three hundred eighty-three billion, six hundred fifteen million, forty-three thousand, three hundred eleven".