11233557782 has 16 divisors (see below), whose sum is σ = 16887314160. Its totient is φ = 5604467232.

The previous prime is 11233557781. The next prime is 11233557787. The reversal of 11233557782 is 28775533211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11233557781) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2371088 + ... + 2375820.

It is an arithmetic number, because the mean of its divisors is an integer number (1055457135).

Almost surely, 2^11233557782 is an apocalyptic number.

11233557782 is a deficient number, since it is larger than the sum of its proper divisors (5653756378).

11233557782 is a wasteful number, since it uses less digits than its factorization.

11233557782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7087.

The product of its digits is 352800, while the sum is 44.

The spelling of 11233557782 in words is "eleven billion, two hundred thirty-three million, five hundred fifty-seven thousand, seven hundred eighty-two".