11531450396 has 6 divisors (see below), whose sum is σ = 20180038200. Its totient is φ = 5765725196.

The previous prime is 11531450363. The next prime is 11531450419. The reversal of 11531450396 is 69305413511.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1441431296 + ... + 1441431303.

It is an arithmetic number, because the mean of its divisors is an integer number (3363339700).

Almost surely, 2^11531450396 is an apocalyptic number.

It is an amenable number.

11531450396 is a deficient number, since it is larger than the sum of its proper divisors (8648587804).

11531450396 is a wasteful number, since it uses less digits than its factorization.

11531450396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2882862603 (or 2882862601 counting only the distinct ones).

The product of its (nonzero) digits is 48600, while the sum is 38.

The spelling of 11531450396 in words is "eleven billion, five hundred thirty-one million, four hundred fifty thousand, three hundred ninety-six".