71155280993053 has 2 divisors, whose sum is σ = 71155280993054. Its totient is φ = 71155280993052.

The previous prime is 71155280993023. The next prime is 71155280993077. The reversal of 71155280993053 is 35039908255117.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 67631840404164 + 3523440588889 = 8223858^2 + 1877083^2 .

It is a cyclic number.

It is not a de Polignac number, because 71155280993053 - 2⁹ = 71155280992541 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71155280993023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35577640496526 + 35577640496527.

It is an arithmetic number, because the mean of its divisors is an integer number (35577640496527).

Almost surely, 2^{71155280993053} is an apocalyptic number.

It is an amenable number.

71155280993053 is a deficient number, since it is larger than the sum of its proper divisors (1).

71155280993053 is an equidigital number, since it uses as much as digits as its factorization.

71155280993053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10206000, while the sum is 58.

The spelling of 71155280993053 in words is "seventy-one trillion, one hundred fifty-five billion, two hundred eighty million, nine hundred ninety-three thousand, fifty-three".