71525065066 has 64 divisors (see below), whose sum is σ = 136899302400. Its totient is φ = 27259981056.

The previous prime is 71525065049. The next prime is 71525065067. The reversal of 71525065066 is 66056052517.

It is not an unprimeable number, because it can be changed into a prime (71525065067) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2429080 + ... + 2458348.

It is an arithmetic number, because the mean of its divisors is an integer number (2139051600).

Almost surely, 2^71525065066 is an apocalyptic number.

71525065066 is a deficient number, since it is larger than the sum of its proper divisors (65374237334).

71525065066 is a wasteful number, since it uses less digits than its factorization.

71525065066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29783.

The product of its (nonzero) digits is 378000, while the sum is 43.

The spelling of 71525065066 in words is "seventy-one billion, five hundred twenty-five million, sixty-five thousand, sixty-six".