11726631458412 has 48 divisors (see below), whose sum is σ = 29467761684480. Its totient is φ = 3608091240768.

The previous prime is 11726631458411. The next prime is 11726631458419. The reversal of 11726631458412 is 21485413662711.

It is a happy number.

It is a super-2 number, since 2×11726631458412² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11726631458411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4498389 + ... + 6609747.

It is an arithmetic number, because the mean of its divisors is an integer number (613911701760).

Almost surely, 2^{11726631458412} is an apocalyptic number.

11726631458412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11726631458412 is an abundant number, since it is smaller than the sum of its proper divisors (17741130226068).

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

11726631458412 is a wasteful number, since it uses less digits than its factorization.

11726631458412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2146982 (or 2146980 counting only the distinct ones).

The product of its digits is 1935360, while the sum is 51.

The spelling of 11726631458412 in words is "eleven trillion, seven hundred twenty-six billion, six hundred thirty-one million, four hundred fifty-eight thousand, four hundred twelve".