71744106005525 has 12 divisors (see below), whose sum is σ = 90215687103264. Its totient is φ = 56586900510000.

The previous prime is 71744106005519. The next prime is 71744106005531. The reversal of 71744106005525 is 52550060144717.

It is an interprime number because it is at equal distance from previous prime (71744106005519) and next prime (71744106005531).

It is not a de Polignac number, because 71744106005525 - 2³² = 71739811038229 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 71744106005525.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20209605551 + ... + 20209609100.

It is an arithmetic number, because the mean of its divisors is an integer number (7517973925272).

Almost surely, 2^{71744106005525} is an apocalyptic number.

It is an amenable number.

71744106005525 is a deficient number, since it is larger than the sum of its proper divisors (18471581097739).

71744106005525 is a wasteful number, since it uses less digits than its factorization.

71744106005525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40419214732 (or 40419214727 counting only the distinct ones).

The product of its (nonzero) digits is 1176000, while the sum is 47.

The spelling of 71744106005525 in words is "seventy-one trillion, seven hundred forty-four billion, one hundred six million, five thousand, five hundred twenty-five".