12113515425401 has 4 divisors (see below), whose sum is σ = 13045324304292. Its totient is φ = 11181706546512.

The previous prime is 12113515425373. The next prime is 12113515425433. The reversal of 12113515425401 is 10452451531121.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 529873349776 + 11583642075625 = 727924^2 + 3403475^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12113515425401 is a prime.

It is a super-2 number, since 2×12113515425401² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12113515425461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 465904439426 + ... + 465904439451.

It is an arithmetic number, because the mean of its divisors is an integer number (3261331076073).

Almost surely, 2^{12113515425401} is an apocalyptic number.

It is an amenable number.

12113515425401 is a deficient number, since it is larger than the sum of its proper divisors (931808878891).

12113515425401 is an equidigital number, since it uses as much as digits as its factorization.

12113515425401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 931808878890.

The product of its (nonzero) digits is 24000, while the sum is 35.

Adding to 12113515425401 its reverse (10452451531121), we get a palindrome (22565966956522).

The spelling of 12113515425401 in words is "twelve trillion, one hundred thirteen billion, five hundred fifteen million, four hundred twenty-five thousand, four hundred one".