11649204276 has 24 divisors (see below), whose sum is σ = 27435512160. Its totient is φ = 3846777312.

The previous prime is 11649204269. The next prime is 11649204277. The reversal of 11649204276 is 67240294611.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11649204277) 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, 4535011 + ... + 4537578.

It is an arithmetic number, because the mean of its divisors is an integer number (1143146340).

Almost surely, 2^11649204276 is an apocalyptic number.

It is an amenable number.

11649204276 is an abundant number, since it is smaller than the sum of its proper divisors (15786307884).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11649204276 is a wasteful number, since it uses less digits than its factorization.

11649204276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9072703 (or 9072701 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 42.

Adding to 11649204276 its reverse (67240294611), we get a palindrome (78889498887).

The spelling of 11649204276 in words is "eleven billion, six hundred forty-nine million, two hundred four thousand, two hundred seventy-six".