12511274401 has 8 divisors (see below), whose sum is σ = 12547500480. Its totient is φ = 12475098768.

The previous prime is 12511274263. The next prime is 12511274431. The reversal of 12511274401 is 10447211521.

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 12511274401 - 2¹⁷ = 12511143329 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12511274401.

It is not an unprimeable number, because it can be changed into a prime (12511274431) 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 in 7 ways as a sum of consecutive naturals, for example, 515620 + ... + 539338.

It is an arithmetic number, because the mean of its divisors is an integer number (1568437560).

Almost surely, 2^12511274401 is an apocalyptic number.

It is an amenable number.

12511274401 is a deficient number, since it is larger than the sum of its proper divisors (36226079).

12511274401 is an equidigital number, since it uses as much as digits as its factorization.

12511274401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25223.

The product of its (nonzero) digits is 2240, while the sum is 28.

Adding to 12511274401 its reverse (10447211521), we get a palindrome (22958485922).

The spelling of 12511274401 in words is "twelve billion, five hundred eleven million, two hundred seventy-four thousand, four hundred one".