12273755115 has 32 divisors (see below), whose sum is σ = 21510204480. Its totient is φ = 5948493824.

The previous prime is 12273755101. The next prime is 12273755159. The reversal of 12273755115 is 51155737221.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 12273755115 - 2⁴ = 12273755099 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 822474 + ... + 837263.

It is an arithmetic number, because the mean of its divisors is an integer number (672193890).

Almost surely, 2^12273755115 is an apocalyptic number.

12273755115 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12273755115 is a deficient number, since it is larger than the sum of its proper divisors (9236449365).

12273755115 is a wasteful number, since it uses less digits than its factorization.

12273755115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1659791.

The product of its digits is 73500, while the sum is 39.

The spelling of 12273755115 in words is "twelve billion, two hundred seventy-three million, seven hundred fifty-five thousand, one hundred fifteen".