1113154560 has 792 divisors, whose sum is σ = 4914519480. Its totient is φ = 231211008.

The previous prime is 1113154517. The next prime is 1113154561. The reversal of 1113154560 is 654513111.

1113154560 is a `hidden beast` number, since 1 + 113 + 1 + 545 + 6 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 238887936 + 874266624 = 15456^2 + 29568^2 .

It is a super-2 number, since 2×1113154560² = 2478226148897587200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1113154561) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 38384626 + ... + 38384654.

Almost surely, 2^1113154560 is an apocalyptic number.

1113154560 is a gapful number since it is divisible by the number (10) 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 1113154560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2457259740).

1113154560 is an abundant number, since it is smaller than the sum of its proper divisors (3801364920).

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

1113154560 is a wasteful number, since it uses less digits than its factorization.

1113154560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91 (or 63 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 27.

The square root of 1113154560 is about 33363.9709866796. The cubic root of 1113154560 is about 1036.3787268851.

Adding to 1113154560 its reverse (654513111), we get a palindrome (1767667671).

The spelling of 1113154560 in words is "one billion, one hundred thirteen million, one hundred fifty-four thousand, five hundred sixty".