11031005545 has 32 divisors (see below), whose sum is σ = 15750079488. Its totient is φ = 7258802688.

The previous prime is 11031005539. The next prime is 11031005563. The reversal of 11031005545 is 54550013011.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 11031005545 - 2²³ = 11022616937 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 36192 + ... + 152878.

It is an arithmetic number, because the mean of its divisors is an integer number (492189984).

Almost surely, 2^11031005545 is an apocalyptic number.

It is an amenable number.

11031005545 is a deficient number, since it is larger than the sum of its proper divisors (4719073943).

11031005545 is a wasteful number, since it uses less digits than its factorization.

11031005545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116809.

The product of its (nonzero) digits is 1500, while the sum is 25.

Adding to 11031005545 its reverse (54550013011), we get a palindrome (65581018556).

The spelling of 11031005545 in words is "eleven billion, thirty-one million, five thousand, five hundred forty-five".