1115723560 has 64 divisors (see below), whose sum is σ = 2993760000. Its totient is φ = 365899776.

The previous prime is 1115723527. The next prime is 1115723569. The reversal of 1115723560 is 653275111.

It is not an unprimeable number, because it can be changed into a prime (1115723569) 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, 80185 + ... + 93064.

It is an arithmetic number, because the mean of its divisors is an integer number (46777500).

Almost surely, 2^1115723560 is an apocalyptic number.

1115723560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1115723560 is an abundant number, since it is smaller than the sum of its proper divisors (1878036440).

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

1115723560 is a wasteful number, since it uses less digits than its factorization.

1115723560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173290 (or 173286 counting only the distinct ones).

The product of its (nonzero) digits is 6300, while the sum is 31.

The square root of 1115723560 is about 33402.4484132526. The cubic root of 1115723560 is about 1037.1753851625.

Adding to 1115723560 its reverse (653275111), we get a palindrome (1768998671).

The spelling of 1115723560 in words is "one billion, one hundred fifteen million, seven hundred twenty-three thousand, five hundred sixty".