11155244552 has 32 divisors (see below), whose sum is σ = 22745004120. Its totient is φ = 5107645440.

The previous prime is 11155244531. The next prime is 11155244561. The reversal of 11155244552 is 25544255111.

It can be written as a sum of positive squares in 4 ways, for example, as 10980105796 + 175138756 = 104786^2 + 13234^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1103399 + ... + 1113462.

Almost surely, 2^11155244552 is an apocalyptic number.

It is an amenable number.

11155244552 is an abundant number, since it is smaller than the sum of its proper divisors (11589759568).

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

11155244552 is a wasteful number, since it uses less digits than its factorization.

11155244552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2216921 (or 2216917 counting only the distinct ones).

The product of its digits is 40000, while the sum is 35.

Adding to 11155244552 its reverse (25544255111), we get a palindrome (36699499663).

The spelling of 11155244552 in words is "eleven billion, one hundred fifty-five million, two hundred forty-four thousand, five hundred fifty-two".