11256187029 has 32 divisors (see below), whose sum is σ = 15389015040. Its totient is φ = 7316151552.

The previous prime is 11256187021. The next prime is 11256187031. The reversal of 11256187029 is 92078165211.

It is not a de Polignac number, because 11256187029 - 2³ = 11256187021 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11256187021) 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 31 ways as a sum of consecutive naturals, for example, 17397184 + ... + 17397830.

It is an arithmetic number, because the mean of its divisors is an integer number (480906720).

Almost surely, 2^11256187029 is an apocalyptic number.

It is an amenable number.

11256187029 is a deficient number, since it is larger than the sum of its proper divisors (4132828011).

11256187029 is a wasteful number, since it uses less digits than its factorization.

11256187029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1369.

The product of its (nonzero) digits is 60480, while the sum is 42.

The spelling of 11256187029 in words is "eleven billion, two hundred fifty-six million, one hundred eighty-seven thousand, twenty-nine".