12611146251 has 8 divisors (see below), whose sum is σ = 18343485504. Its totient is φ = 7643118920.

The previous prime is 12611146237. The next prime is 12611146259. The reversal of 12611146251 is 15264111621.

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

It is a cyclic number.

It is not a de Polignac number, because 12611146251 - 2⁶ = 12611146187 is a prime.

It is a super-2 number, since 2×12611146251² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12611146259) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 191077941 + ... + 191078006.

It is an arithmetic number, because the mean of its divisors is an integer number (2292935688).

Almost surely, 2^12611146251 is an apocalyptic number.

12611146251 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12611146251 is a deficient number, since it is larger than the sum of its proper divisors (5732339253).

12611146251 is a wasteful number, since it uses less digits than its factorization.

12611146251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 382155961.

The product of its digits is 2880, while the sum is 30.

Adding to 12611146251 its reverse (15264111621), we get a palindrome (27875257872).

The spelling of 12611146251 in words is "twelve billion, six hundred eleven million, one hundred forty-six thousand, two hundred fifty-one".