12157360250665 has 32 divisors (see below), whose sum is σ = 17068889097216. Its totient is φ = 8138692900800.

The previous prime is 12157360250663. The next prime is 12157360250677. The reversal of 12157360250665 is 56605206375121.

It is not a de Polignac number, because 12157360250665 - 2¹ = 12157360250663 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12157360250663) 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 31 ways as a sum of consecutive naturals, for example, 1195890 + ... + 5073940.

It is an arithmetic number, because the mean of its divisors is an integer number (533402784288).

Almost surely, 2^{12157360250665} is an apocalyptic number.

It is an amenable number.

12157360250665 is a deficient number, since it is larger than the sum of its proper divisors (4911528846551).

12157360250665 is a wasteful number, since it uses less digits than its factorization.

12157360250665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3880189.

The product of its (nonzero) digits is 2268000, while the sum is 49.

The spelling of 12157360250665 in words is "twelve trillion, one hundred fifty-seven billion, three hundred sixty million, two hundred fifty thousand, six hundred sixty-five".