11556625120126 has 4 divisors (see below), whose sum is σ = 17334937680192. Its totient is φ = 5778312560062.

The previous prime is 11556625120021. The next prime is 11556625120247. The reversal of 11556625120126 is 62102152665511.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2889156280030 + ... + 2889156280033.

It is an arithmetic number, because the mean of its divisors is an integer number (4333734420048).

Almost surely, 2^{11556625120126} is an apocalyptic number.

11556625120126 is a deficient number, since it is larger than the sum of its proper divisors (5778312560066).

11556625120126 is an equidigital number, since it uses as much as digits as its factorization.

11556625120126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5778312560065.

The product of its (nonzero) digits is 216000, while the sum is 43.

Adding to 11556625120126 its reverse (62102152665511), we get a palindrome (73658777785637).

The spelling of 11556625120126 in words is "eleven trillion, five hundred fifty-six billion, six hundred twenty-five million, one hundred twenty thousand, one hundred twenty-six".