11124534440 has 16 divisors (see below), whose sum is σ = 25030202580. Its totient is φ = 4449813760.

The previous prime is 11124534433. The next prime is 11124534451. The reversal of 11124534440 is 4443542111.

It can be written as a sum of positive squares in 2 ways, for example, as 10749957124 + 374577316 = 103682^2 + 19354^2 .

It is a super-2 number, since 2×11124534440² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 139056641 + ... + 139056720.

Almost surely, 2^11124534440 is an apocalyptic number.

11124534440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11124534440 is an abundant number, since it is smaller than the sum of its proper divisors (13905668140).

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

11124534440 is a wasteful number, since it uses less digits than its factorization.

11124534440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278113372 (or 278113368 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 29.

The spelling of 11124534440 in words is "eleven billion, one hundred twenty-four million, five hundred thirty-four thousand, four hundred forty".