12115401441502 has 4 divisors (see below), whose sum is σ = 18173102162256. Its totient is φ = 6057700720750.

The previous prime is 12115401441497. The next prime is 12115401441503. The reversal of 12115401441502 is 20514410451121.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12115401441503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3028850360374 + ... + 3028850360377.

It is an arithmetic number, because the mean of its divisors is an integer number (4543275540564).

Almost surely, 2^{12115401441502} is an apocalyptic number.

12115401441502 is a deficient number, since it is larger than the sum of its proper divisors (6057700720754).

12115401441502 is an equidigital number, since it uses as much as digits as its factorization.

12115401441502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6057700720753.

The product of its (nonzero) digits is 6400, while the sum is 31.

Adding to 12115401441502 its reverse (20514410451121), we get a palindrome (32629811892623).

The spelling of 12115401441502 in words is "twelve trillion, one hundred fifteen billion, four hundred one million, four hundred forty-one thousand, five hundred two".