11456005203 has 40 divisors (see below), whose sum is σ = 18149622480. Its totient is φ = 7176314880.

The previous prime is 11456005199. The next prime is 11456005229. The reversal of 11456005203 is 30250065411.

11456005203 is a `hidden beast` number, since 1 + 1 + 4 + 5 + 600 + 52 + 0 + 3 = 666.

It is not a de Polignac number, because 11456005203 - 2² = 11456005199 is a prime.

It is a super-2 number, since 2×11456005203² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (11456005273) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 876168 + ... + 889146.

It is an arithmetic number, because the mean of its divisors is an integer number (453740562).

Almost surely, 2^11456005203 is an apocalyptic number.

11456005203 is a deficient number, since it is larger than the sum of its proper divisors (6693617277).

11456005203 is a wasteful number, since it uses less digits than its factorization.

11456005203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13649 (or 13640 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The spelling of 11456005203 in words is "eleven billion, four hundred fifty-six million, five thousand, two hundred three".