11812078615413 has 8 divisors (see below), whose sum is σ = 15752979758848. Its totient is φ = 7872948274464.

The previous prime is 11812078615411. The next prime is 11812078615459. The reversal of 11812078615413 is 31451687021811.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11812078615413 - 2¹ = 11812078615411 is a prime.

It is a super-2 number, since 2×11812078615413² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11812078615411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 442685056 + ... + 442711737.

It is an arithmetic number, because the mean of its divisors is an integer number (1969122469856).

Almost surely, 2^{11812078615413} is an apocalyptic number.

It is an amenable number.

11812078615413 is a deficient number, since it is larger than the sum of its proper divisors (3940901143435).

11812078615413 is an equidigital number, since it uses as much as digits as its factorization.

11812078615413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 885401243.

The product of its (nonzero) digits is 322560, while the sum is 48.

The spelling of 11812078615413 in words is "eleven trillion, eight hundred twelve billion, seventy-eight million, six hundred fifteen thousand, four hundred thirteen".