71054753437811 has 16 divisors (see below), whose sum is σ = 83484709953120. Its totient is φ = 59620797361920.

The previous prime is 71054753437807. The next prime is 71054753437859. The reversal of 71054753437811 is 11873435745017.

It is a cyclic number.

It is not a de Polignac number, because 71054753437811 - 2² = 71054753437807 is a prime.

It is a super-2 number, since 2×71054753437811² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71054753437411) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21668090 + ... + 24730863.

It is an arithmetic number, because the mean of its divisors is an integer number (5217794372070).

Almost surely, 2^{71054753437811} is an apocalyptic number.

71054753437811 is a deficient number, since it is larger than the sum of its proper divisors (12429956515309).

71054753437811 is a wasteful number, since it uses less digits than its factorization.

71054753437811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46409686.

The product of its (nonzero) digits is 9878400, while the sum is 56.

The spelling of 71054753437811 in words is "seventy-one trillion, fifty-four billion, seven hundred fifty-three million, four hundred thirty-seven thousand, eight hundred eleven".