11203880802553 has 4 divisors (see below), whose sum is σ = 11308589969040. Its totient is φ = 11099171636068.

The previous prime is 11203880802547. The next prime is 11203880802607. The reversal of 11203880802553 is 35520808830211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11203880802553 - 2³³ = 11195290867961 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11203880802523) 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 3 ways as a sum of consecutive naturals, for example, 52354583083 + ... + 52354583296.

It is an arithmetic number, because the mean of its divisors is an integer number (2827147492260).

Almost surely, 2^{11203880802553} is an apocalyptic number.

It is an amenable number.

11203880802553 is a deficient number, since it is larger than the sum of its proper divisors (104709166487).

11203880802553 is a wasteful number, since it uses less digits than its factorization.

11203880802553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104709166486.

The product of its (nonzero) digits is 460800, while the sum is 46.

The spelling of 11203880802553 in words is "eleven trillion, two hundred three billion, eight hundred eighty million, eight hundred two thousand, five hundred fifty-three".