12155045295 has 32 divisors (see below), whose sum is σ = 19874147328. Its totient is φ = 6340837248.

The previous prime is 12155045251. The next prime is 12155045321. The reversal of 12155045295 is 59254055121.

It is not a de Polignac number, because 12155045295 - 2¹¹ = 12155043247 is a prime.

It is a super-2 number, since 2×12155045295² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

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, 1396497 + ... + 1405173.

It is an arithmetic number, because the mean of its divisors is an integer number (621067104).

Almost surely, 2^12155045295 is an apocalyptic number.

12155045295 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12155045295 is a deficient number, since it is larger than the sum of its proper divisors (7719102033).

12155045295 is a wasteful number, since it uses less digits than its factorization.

12155045295 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10719.

The product of its (nonzero) digits is 90000, while the sum is 39.

The spelling of 12155045295 in words is "twelve billion, one hundred fifty-five million, forty-five thousand, two hundred ninety-five".