1111613552 has 80 divisors (see below), whose sum is σ = 2581120512. Its totient is φ = 453446400.

The previous prime is 1111613551. The next prime is 1111613557. The reversal of 1111613552 is 2553161111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111613551) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 583802 + ... + 585702.

Almost surely, 2^1111613552 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1111613552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1290560256).

1111613552 is an abundant number, since it is smaller than the sum of its proper divisors (1469506960).

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

1111613552 is a wasteful number, since it uses less digits than its factorization.

1111613552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2166 (or 2160 counting only the distinct ones).

The product of its digits is 900, while the sum is 26.

The square root of 1111613552 is about 33340.8690948511. The cubic root of 1111613552 is about 1035.9002651911.

Adding to 1111613552 its reverse (2553161111), we get a palindrome (3664774663).

The spelling of 1111613552 in words is "one billion, one hundred eleven million, six hundred thirteen thousand, five hundred fifty-two".