11354555545 has 16 divisors (see below), whose sum is σ = 13699014912. Its totient is φ = 9034724160.

The previous prime is 11354555543. The next prime is 11354555549. The reversal of 11354555545 is 54555545311.

It is a happy number.

It is not a de Polignac number, because 11354555545 - 2¹ = 11354555543 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11354555543) 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, 862684 + ... + 875746.

It is an arithmetic number, because the mean of its divisors is an integer number (856188432).

Almost surely, 2^11354555545 is an apocalyptic number.

It is an amenable number.

11354555545 is a deficient number, since it is larger than the sum of its proper divisors (2344459367).

11354555545 is a wasteful number, since it uses less digits than its factorization.

11354555545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13992.

The product of its digits is 750000, while the sum is 43.

The spelling of 11354555545 in words is "eleven billion, three hundred fifty-four million, five hundred fifty-five thousand, five hundred forty-five".