12611831764 has 24 divisors (see below), whose sum is σ = 25227771968. Its totient is φ = 5404190400.

The previous prime is 12611831731. The next prime is 12611831783. The reversal of 12611831764 is 46713811621.

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, 156064 + ... + 222664.

Almost surely, 2^12611831764 is an apocalyptic number.

12611831764 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

12611831764 is an abundant number, since it is smaller than the sum of its proper divisors (12615940204).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12611831764 is a wasteful number, since it uses less digits than its factorization.

12611831764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73375 (or 73373 counting only the distinct ones).

The product of its digits is 48384, while the sum is 40.

The spelling of 12611831764 in words is "twelve billion, six hundred eleven million, eight hundred thirty-one thousand, seven hundred sixty-four".