11131260545 has 8 divisors (see below), whose sum is σ = 13371623424. Its totient is φ = 8895601264.

The previous prime is 11131260473. The next prime is 11131260571. The reversal of 11131260545 is 54506213111.

11131260545 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11131260545 - 2¹⁴ = 11131244161 is a prime.

It is a super-2 number, since 2×11131260545² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1170689 + ... + 1180158.

It is an arithmetic number, because the mean of its divisors is an integer number (1671452928).

Almost surely, 2^11131260545 is an apocalyptic number.

It is an amenable number.

11131260545 is a deficient number, since it is larger than the sum of its proper divisors (2240362879).

11131260545 is an equidigital number, since it uses as much as digits as its factorization.

11131260545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2351799.

The product of its (nonzero) digits is 3600, while the sum is 29.

Adding to 11131260545 its reverse (54506213111), we get a palindrome (65637473656).

The spelling of 11131260545 in words is "eleven billion, one hundred thirty-one million, two hundred sixty thousand, five hundred forty-five".