11725833512 has 16 divisors (see below), whose sum is σ = 22020246900. Its totient is φ = 5853767680.

The previous prime is 11725833491. The next prime is 11725833517. The reversal of 11725833512 is 21533852711.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 8923825156 + 2802008356 = 94466^2 + 52934^2 .

It is a super-2 number, since 2×11725833512² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11725833517) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1138187 + ... + 1148442.

Almost surely, 2^11725833512 is an apocalyptic number.

It is an amenable number.

11725833512 is a deficient number, since it is larger than the sum of its proper divisors (10294413388).

11725833512 is a wasteful number, since it uses less digits than its factorization.

11725833512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2287276 (or 2287272 counting only the distinct ones).

The product of its digits is 50400, while the sum is 38.

The spelling of 11725833512 in words is "eleven billion, seven hundred twenty-five million, eight hundred thirty-three thousand, five hundred twelve".