11783451146 has 16 divisors (see below), whose sum is σ = 17736398280. Its totient is φ = 5871348480.

The previous prime is 11783451109. The next prime is 11783451167. The reversal of 11783451146 is 64115438711.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 11171433025 + 612018121 = 105695^2 + 24739^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 861110 + ... + 874686.

Almost surely, 2^11783451146 is an apocalyptic number.

11783451146 is a deficient number, since it is larger than the sum of its proper divisors (5952947134).

11783451146 is a wasteful number, since it uses less digits than its factorization.

11783451146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15049.

The product of its digits is 80640, while the sum is 41.

Adding to 11783451146 its reverse (64115438711), we get a palindrome (75898889857).

The spelling of 11783451146 in words is "eleven billion, seven hundred eighty-three million, four hundred fifty-one thousand, one hundred forty-six".