71295012799 has 2 divisors, whose sum is σ = 71295012800. Its totient is φ = 71295012798.

The previous prime is 71295012787. The next prime is 71295012911. The reversal of 71295012799 is 99721059217.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 71295012799 - 2²¹ = 71292915647 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71295012499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35647506399 + 35647506400.

It is an arithmetic number, because the mean of its divisors is an integer number (35647506400).

Almost surely, 2^71295012799 is an apocalyptic number.

71295012799 is a deficient number, since it is larger than the sum of its proper divisors (1).

71295012799 is an equidigital number, since it uses as much as digits as its factorization.

71295012799 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 714420, while the sum is 52.

The spelling of 71295012799 in words is "seventy-one billion, two hundred ninety-five million, twelve thousand, seven hundred ninety-nine".