12711070545 has 16 divisors (see below), whose sum is σ = 20372974080. Its totient is φ = 6767483904.

The previous prime is 12711070511. The next prime is 12711070553. The reversal of 12711070545 is 54507011721.

It is not a de Polignac number, because 12711070545 - 2¹¹ = 12711068497 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 725665 + ... + 742974.

It is an arithmetic number, because the mean of its divisors is an integer number (1273310880).

Almost surely, 2^12711070545 is an apocalyptic number.

12711070545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12711070545 is a deficient number, since it is larger than the sum of its proper divisors (7661903535).

12711070545 is a wasteful number, since it uses less digits than its factorization.

12711070545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1469224.

The product of its (nonzero) digits is 9800, while the sum is 33.

The spelling of 12711070545 in words is "twelve billion, seven hundred eleven million, seventy thousand, five hundred forty-five".