71272181015488 has 56 divisors (see below), whose sum is σ = 141859742696000. Its totient is φ = 35528028115968.

The previous prime is 71272181015467. The next prime is 71272181015531. The reversal of 71272181015488 is 88451018127217.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134578153 + ... + 135106711.

It is an arithmetic number, because the mean of its divisors is an integer number (2533209691000).

Almost surely, 2^{71272181015488} is an apocalyptic number.

It is an amenable number.

71272181015488 is a deficient number, since it is larger than the sum of its proper divisors (70587561680512).

71272181015488 is a wasteful number, since it uses less digits than its factorization.

71272181015488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 534957 (or 534947 counting only the distinct ones).

The product of its (nonzero) digits is 2007040, while the sum is 55.

The spelling of 71272181015488 in words is "seventy-one trillion, two hundred seventy-two billion, one hundred eighty-one million, fifteen thousand, four hundred eighty-eight".