11088780845 has 16 divisors (see below), whose sum is σ = 13434163200. Its totient is φ = 8786179584.

The previous prime is 11088780763. The next prime is 11088780847. The reversal of 11088780845 is 54808788011.

It is a cyclic number.

It is not a de Polignac number, because 11088780845 - 2¹² = 11088776749 is a prime.

It is a super-2 number, since 2×11088780845² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11088780793 and 11088780802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11088780847) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 365789 + ... + 394941.

It is an arithmetic number, because the mean of its divisors is an integer number (839635200).

Almost surely, 2^11088780845 is an apocalyptic number.

It is an amenable number.

11088780845 is a deficient number, since it is larger than the sum of its proper divisors (2345382355).

11088780845 is a wasteful number, since it uses less digits than its factorization.

11088780845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29884.

The product of its (nonzero) digits is 573440, while the sum is 50.

The spelling of 11088780845 in words is "eleven billion, eighty-eight million, seven hundred eighty thousand, eight hundred forty-five".