11245105545 has 16 divisors (see below), whose sum is σ = 17997447552. Its totient is φ = 5995630080.

The previous prime is 11245105537. The next prime is 11245105567. The reversal of 11245105545 is 54550154211.

It is a happy number.

It is not a de Polignac number, because 11245105545 - 2³ = 11245105537 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56296 + ... + 160185.

It is an arithmetic number, because the mean of its divisors is an integer number (1124840472).

Almost surely, 2^11245105545 is an apocalyptic number.

11245105545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11245105545 is a deficient number, since it is larger than the sum of its proper divisors (6752342007).

11245105545 is a wasteful number, since it uses less digits than its factorization.

11245105545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219952.

The product of its (nonzero) digits is 20000, while the sum is 33.

Adding to 11245105545 its reverse (54550154211), we get a palindrome (65795259756).

The spelling of 11245105545 in words is "eleven billion, two hundred forty-five million, one hundred five thousand, five hundred forty-five".