1135612044 has 216 divisors, whose sum is σ = 3510561600. Its totient is φ = 308206080.

The previous prime is 1135612039. The next prime is 1135612067. The reversal of 1135612044 is 4402165311.

It is a happy number.

1135612044 is a `hidden beast` number, since 1 + 1 + 3 + 5 + 612 + 0 + 44 = 666.

It is a super-2 number, since 2×1135612044² = 2579229428955715872, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1135611999 and 1135612017.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 4041184 + ... + 4041464.

It is an arithmetic number, because the mean of its divisors is an integer number (16252600).

Almost surely, 2^1135612044 is an apocalyptic number.

1135612044 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1135612044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1755280800).

1135612044 is an abundant number, since it is smaller than the sum of its proper divisors (2374949556).

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

1135612044 is a wasteful number, since it uses less digits than its factorization.

1135612044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 413 (or 401 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 1135612044 is about 33698.8433629405. The cubic root of 1135612044 is about 1043.3018960020.

Adding to 1135612044 its reverse (4402165311), we get a palindrome (5537777355).

The spelling of 1135612044 in words is "one billion, one hundred thirty-five million, six hundred twelve thousand, forty-four".