71411872899 has 16 divisors (see below), whose sum is σ = 95856469920. Its totient is φ = 47288666880.

The previous prime is 71411872853. The next prime is 71411872907. The reversal of 71411872899 is 99827811417.

It is a Cunningham number, because it is equal to 267230²-1.

It is not a de Polignac number, because 71411872899 - 2⁹ = 71411872387 is a prime.

It is not an unprimeable number, because it can be changed into a prime (71411872849) 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, 133617 + ... + 400845.

It is an arithmetic number, because the mean of its divisors is an integer number (5991029370).

Almost surely, 2^71411872899 is an apocalyptic number.

71411872899 is a deficient number, since it is larger than the sum of its proper divisors (24444597021).

71411872899 is a wasteful number, since it uses less digits than its factorization.

71411872899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267830.

The product of its digits is 2032128, while the sum is 57.

The spelling of 71411872899 in words is "seventy-one billion, four hundred eleven million, eight hundred seventy-two thousand, eight hundred ninety-nine".