12158631145 has 8 divisors (see below), whose sum is σ = 15358271040. Its totient is φ = 9214962480.

The previous prime is 12158631103. The next prime is 12158631157. The reversal of 12158631145 is 54113685121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12158631145 - 2¹¹ = 12158629097 is a prime.

It is a super-2 number, since 2×12158631145² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63992701 + ... + 63992890.

It is an arithmetic number, because the mean of its divisors is an integer number (1919783880).

Almost surely, 2^12158631145 is an apocalyptic number.

It is an amenable number.

12158631145 is a deficient number, since it is larger than the sum of its proper divisors (3199639895).

12158631145 is a wasteful number, since it uses less digits than its factorization.

12158631145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127985615.

The product of its digits is 28800, while the sum is 37.

The spelling of 12158631145 in words is "twelve billion, one hundred fifty-eight million, six hundred thirty-one thousand, one hundred forty-five".