11949550596 has 45 divisors (see below), whose sum is σ = 31243630341. Its totient is φ = 3982527648.

The previous prime is 11949550583. The next prime is 11949550603. The reversal of 11949550596 is 69505594911.

The square root of 11949550596 is 109314.

It is a perfect power (a square), and thus also a powerful number.

11949550596 is a `hidden beast` number, since 1 + 1 + 9 + 49 + 5 + 5 + 0 + 596 = 666.

It can be written as a sum of positive squares in only one way, i.e., 10843056900 + 1106493696 = 104130^2 + 33264^2 .

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 1964616 + ... + 1970688.

Almost surely, 2^11949550596 is an apocalyptic number.

11949550596 is the 109314-th square number.

It is an amenable number.

11949550596 is an abundant number, since it is smaller than the sum of its proper divisors (19294079745).

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

11949550596 is an frugal number, since it uses more digits than its factorization.

11949550596 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12162 (or 6078 counting only the distinct ones).

The product of its (nonzero) digits is 2187000, while the sum is 54.

The spelling of 11949550596 in words is "eleven billion, nine hundred forty-nine million, five hundred fifty thousand, five hundred ninety-six".