71140373201 has 4 divisors (see below), whose sum is σ = 71148831600. Its totient is φ = 71131914804.

The previous prime is 71140373197. The next prime is 71140373203. The reversal of 71140373201 is 10237304117.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 71140373201 - 2² = 71140373197 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71140373203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4216571 + ... + 4233408.

It is an arithmetic number, because the mean of its divisors is an integer number (17787207900).

Almost surely, 2^71140373201 is an apocalyptic number.

It is an amenable number.

71140373201 is a deficient number, since it is larger than the sum of its proper divisors (8458399).

71140373201 is an equidigital number, since it uses as much as digits as its factorization.

71140373201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8458398.

The product of its (nonzero) digits is 3528, while the sum is 29.

Adding to 71140373201 its reverse (10237304117), we get a palindrome (81377677318).

The spelling of 71140373201 in words is "seventy-one billion, one hundred forty million, three hundred seventy-three thousand, two hundred one".