11526599044 has 9 divisors (see below), whose sum is σ = 20171924101. Its totient is φ = 5763192160.

The previous prime is 11526599027. The next prime is 11526599059. The reversal of 11526599044 is 44099562511.

The square root of 11526599044 is 107362.

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

It can be written as a sum of positive squares in only one way, i.e., 4537639044 + 6988960000 = 67362^2 + 83600^2 .

It is a super-2 number, since 2×11526599044² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11526598985 and 11526599003.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 187884 + ... + 241564.

Almost surely, 2^11526599044 is an apocalyptic number.

11526599044 is the 107362-nd square number.

It is an amenable number.

11526599044 is a deficient number, since it is larger than the sum of its proper divisors (8645325057).

11526599044 is an frugal number, since it uses more digits than its factorization.

11526599044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107366 (or 53683 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 46.

The spelling of 11526599044 in words is "eleven billion, five hundred twenty-six million, five hundred ninety-nine thousand, forty-four".