11654103553 has 4 divisors (see below), whose sum is σ = 11655018288. Its totient is φ = 11653188820.

The previous prime is 11654103547. The next prime is 11654103607. The reversal of 11654103553 is 35530145611.

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, and also an emirpimes, since its reverse is a distinct semiprime: 35530145611 = 991 ⋅35852821.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11654103553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11654103053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 437983 + ... + 463828.

It is an arithmetic number, because the mean of its divisors is an integer number (2913754572).

Almost surely, 2^11654103553 is an apocalyptic number.

It is an amenable number.

11654103553 is a deficient number, since it is larger than the sum of its proper divisors (914735).

11654103553 is an equidigital number, since it uses as much as digits as its factorization.

11654103553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 914734.

The product of its (nonzero) digits is 27000, while the sum is 34.

The spelling of 11654103553 in words is "eleven billion, six hundred fifty-four million, one hundred three thousand, five hundred fifty-three".