71257263141 has 16 divisors (see below), whose sum is σ = 95387984640. Its totient is φ = 47315785920.

The previous prime is 71257263127. The next prime is 71257263191. The reversal of 71257263141 is 14136275217.

It is not a de Polignac number, because 71257263141 - 2¹³ = 71257254949 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 71257263141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71257263191) 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, 3850651 + ... + 3869111.

It is an arithmetic number, because the mean of its divisors is an integer number (5961749040).

Almost surely, 2^71257263141 is an apocalyptic number.

It is an amenable number.

71257263141 is a deficient number, since it is larger than the sum of its proper divisors (24130721499).

71257263141 is a wasteful number, since it uses less digits than its factorization.

71257263141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23516.

The product of its digits is 70560, while the sum is 39.

The spelling of 71257263141 in words is "seventy-one billion, two hundred fifty-seven million, two hundred sixty-three thousand, one hundred forty-one".