11354544553 has 16 divisors (see below), whose sum is σ = 12491740800. Its totient is φ = 10235088000.

The previous prime is 11354544473. The next prime is 11354544599. The reversal of 11354544553 is 35544545311.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11354544553 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11354544653) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 979276 + ... + 990802.

It is an arithmetic number, because the mean of its divisors is an integer number (780733800).

Almost surely, 2^11354544553 is an apocalyptic number.

It is an amenable number.

11354544553 is a deficient number, since it is larger than the sum of its proper divisors (1137196247).

11354544553 is a wasteful number, since it uses less digits than its factorization.

11354544553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12288.

The product of its digits is 360000, while the sum is 40.

The spelling of 11354544553 in words is "eleven billion, three hundred fifty-four million, five hundred forty-four thousand, five hundred fifty-three".