11145100545 has 24 divisors (see below), whose sum is σ = 19324521216. Its totient is φ = 5942100768.

The previous prime is 11145100517. The next prime is 11145100621. The reversal of 11145100545 is 54500154111.

11145100545 is a `hidden beast` number, since 1 + 1 + 14 + 5 + 100 + 545 = 666.

It is not a de Polignac number, because 11145100545 - 2¹⁰ = 11145099521 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 103414 + ... + 181616.

It is an arithmetic number, because the mean of its divisors is an integer number (805188384).

Almost surely, 2^11145100545 is an apocalyptic number.

11145100545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11145100545 is a deficient number, since it is larger than the sum of its proper divisors (8179420671).

11145100545 is a wasteful number, since it uses less digits than its factorization.

11145100545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81381 (or 81378 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 27.

Adding to 11145100545 its reverse (54500154111), we get a palindrome (65645254656).

The spelling of 11145100545 in words is "eleven billion, one hundred forty-five million, one hundred thousand, five hundred forty-five".