11556153406 has 16 divisors (see below), whose sum is σ = 19813056480. Its totient is φ = 4952010240.

The previous prime is 11556153397. The next prime is 11556153449. The reversal of 11556153406 is 60435165511.

11556153406 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72586 + ... + 168466.

It is an arithmetic number, because the mean of its divisors is an integer number (1238316030).

Almost surely, 2^11556153406 is an apocalyptic number.

11556153406 is a deficient number, since it is larger than the sum of its proper divisors (8256903074).

11556153406 is an equidigital number, since it uses as much as digits as its factorization.

11556153406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104499.

The product of its (nonzero) digits is 54000, while the sum is 37.

The spelling of 11556153406 in words is "eleven billion, five hundred fifty-six million, one hundred fifty-three thousand, four hundred six".