11256021340203 has 16 divisors (see below), whose sum is σ = 15329014364160. Its totient is φ = 7343555983296.

The previous prime is 11256021340159. The next prime is 11256021340229. The reversal of 11256021340203 is 30204312065211.

It is not a de Polignac number, because 11256021340203 - 2⁶ = 11256021340139 is a prime.

It is a super-2 number, since 2×11256021340203² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11256021340703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3035875 + ... + 5632812.

It is an arithmetic number, because the mean of its divisors is an integer number (958063397760).

Almost surely, 2^{11256021340203} is an apocalyptic number.

11256021340203 is a deficient number, since it is larger than the sum of its proper divisors (4072993023957).

11256021340203 is an equidigital number, since it uses as much as digits as its factorization.

11256021340203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8677946.

The product of its (nonzero) digits is 8640, while the sum is 30.

The spelling of 11256021340203 in words is "eleven trillion, two hundred fifty-six billion, twenty-one million, three hundred forty thousand, two hundred three".