12326154662661 has 48 divisors (see below), whose sum is σ = 20243306087424. Its totient is φ = 6628998061056.

The previous prime is 12326154662651. The next prime is 12326154662677. The reversal of 12326154662661 is 16626645162321.

It is not a de Polignac number, because 12326154662661 - 2⁵ = 12326154662629 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12326154662611) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 137657641 + ... + 137747153.

It is an arithmetic number, because the mean of its divisors is an integer number (421735543488).

Almost surely, 2^{12326154662661} is an apocalyptic number.

It is an amenable number.

12326154662661 is a deficient number, since it is larger than the sum of its proper divisors (7917151424763).

12326154662661 is a wasteful number, since it uses less digits than its factorization.

12326154662661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144650 (or 144643 counting only the distinct ones).

The product of its digits is 3732480, while the sum is 51.

The spelling of 12326154662661 in words is "twelve trillion, three hundred twenty-six billion, one hundred fifty-four million, six hundred sixty-two thousand, six hundred sixty-one".