71148014451 has 12 divisors (see below), whose sum is σ = 104708399328. Its totient is φ = 46537065744.

The previous prime is 71148014447. The next prime is 71148014453. The reversal of 71148014451 is 15441084117.

It is a happy number.

71148014451 is a `hidden beast` number, since 7 + 114 + 80 + 14 + 451 = 666.

It is not a de Polignac number, because 71148014451 - 2² = 71148014447 is a prime.

It is not an unprimeable number, because it can be changed into a prime (71148014453) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 74578155 + ... + 74579108.

It is an arithmetic number, because the mean of its divisors is an integer number (8725699944).

Almost surely, 2^71148014451 is an apocalyptic number.

71148014451 is a deficient number, since it is larger than the sum of its proper divisors (33560384877).

71148014451 is a wasteful number, since it uses less digits than its factorization.

71148014451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149157322 (or 149157319 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 36.

Adding to 71148014451 its reverse (15441084117), we get a palindrome (86589098568).

The spelling of 71148014451 in words is "seventy-one billion, one hundred forty-eight million, fourteen thousand, four hundred fifty-one".