11031045515 has 32 divisors (see below), whose sum is σ = 15266119680. Its totient is φ = 7495545600.

The previous prime is 11031045503. The next prime is 11031045521. The reversal of 11031045515 is 51554013011.

It is not a de Polignac number, because 11031045515 - 2⁴ = 11031045499 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1808591 + ... + 1814679.

It is an arithmetic number, because the mean of its divisors is an integer number (477066240).

Almost surely, 2^11031045515 is an apocalyptic number.

11031045515 is a deficient number, since it is larger than the sum of its proper divisors (4235074165).

11031045515 is a wasteful number, since it uses less digits than its factorization.

11031045515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6563.

The product of its (nonzero) digits is 1500, while the sum is 26.

Adding to 11031045515 its reverse (51554013011), we get a palindrome (62585058526).

The spelling of 11031045515 in words is "eleven billion, thirty-one million, forty-five thousand, five hundred fifteen".