11556356126 has 16 divisors (see below), whose sum is σ = 19812276960. Its totient is φ = 4952378880.

The previous prime is 11556356083. The next prime is 11556356159. The reversal of 11556356126 is 62165365511.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 367970 + ... + 398138.

It is an arithmetic number, because the mean of its divisors is an integer number (1238267310).

Almost surely, 2^11556356126 is an apocalyptic number.

11556356126 is a deficient number, since it is larger than the sum of its proper divisors (8255920834).

11556356126 is a wasteful number, since it uses less digits than its factorization.

11556356126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57539.

The product of its digits is 162000, while the sum is 41.

The spelling of 11556356126 in words is "eleven billion, five hundred fifty-six million, three hundred fifty-six thousand, one hundred twenty-six".