12161484045 has 32 divisors (see below), whose sum is σ = 21658953600. Its totient is φ = 6474563712.

The previous prime is 12161484043. The next prime is 12161484067. The reversal of 12161484045 is 54048416121.

12161484045 is a `hidden beast` number, since 12 + 161 + 484 + 0 + 4 + 5 = 666.

It is not a de Polignac number, because 12161484045 - 2¹ = 12161484043 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12161484043) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4000 + ... + 156009.

It is an arithmetic number, because the mean of its divisors is an integer number (676842300).

Almost surely, 2^12161484045 is an apocalyptic number.

12161484045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12161484045 is a deficient number, since it is larger than the sum of its proper divisors (9497469555).

12161484045 is a wasteful number, since it uses less digits than its factorization.

12161484045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160586 (or 160580 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 36.

The spelling of 12161484045 in words is "twelve billion, one hundred sixty-one million, four hundred eighty-four thousand, forty-five".