11631741312 has 64 divisors (see below), whose sum is σ = 31962250800. Its totient is φ = 3743545344.

The previous prime is 11631741311. The next prime is 11631741371. The reversal of 11631741312 is 21314713611.

It is a tau number, because it is divible by the number of its divisors (64).

It is a self number, because there is not a number n which added to its sum of digits gives 11631741312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11631741311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 511123 + ... + 533394.

Almost surely, 2^11631741312 is an apocalyptic number.

11631741312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11631741312 is an abundant number, since it is smaller than the sum of its proper divisors (20330509488).

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

11631741312 is a wasteful number, since it uses less digits than its factorization.

11631741312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1044563 (or 1044551 counting only the distinct ones).

The product of its digits is 3024, while the sum is 30.

The spelling of 11631741312 in words is "eleven billion, six hundred thirty-one million, seven hundred forty-one thousand, three hundred twelve".