11648712312 has 48 divisors (see below), whose sum is σ = 31903092000. Its totient is φ = 3839273856.

The previous prime is 11648712287. The next prime is 11648712329. The reversal of 11648712312 is 21321784611.

11648712312 is a `hidden beast` number, since 1 + 1 + 648 + 7 + 1 + 2 + 3 + 1 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 902512 + ... + 915327.

It is an arithmetic number, because the mean of its divisors is an integer number (664647750).

Almost surely, 2^11648712312 is an apocalyptic number.

11648712312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11648712312 is an abundant number, since it is smaller than the sum of its proper divisors (20254379688).

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

11648712312 is a wasteful number, since it uses less digits than its factorization.

11648712312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1817940 (or 1817933 counting only the distinct ones).

The product of its digits is 16128, while the sum is 36.

The spelling of 11648712312 in words is "eleven billion, six hundred forty-eight million, seven hundred twelve thousand, three hundred twelve".