1115400036 has 24 divisors (see below), whose sum is σ = 2603974464. Its totient is φ = 371603680.

The previous prime is 1115400023. The next prime is 1115400037. The reversal of 1115400036 is 6300045111.

It is a junction number, because it is equal to n+sod(n) for n = 1115399985 and 1115400021.

It is not an unprimeable number, because it can be changed into a prime (1115400037) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121 + ... + 47231.

It is an arithmetic number, because the mean of its divisors is an integer number (108498936).

Almost surely, 2^1115400036 is an apocalyptic number.

It is an amenable number.

1115400036 is an abundant number, since it is smaller than the sum of its proper divisors (1488574428).

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

1115400036 is a wasteful number, since it uses less digits than its factorization.

1115400036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49091 (or 49089 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 1115400036 is about 33397.6052434901. The cubic root of 1115400036 is about 1037.0751262873.

Adding to 1115400036 its reverse (6300045111), we get a palindrome (7415445147).

The spelling of 1115400036 in words is "one billion, one hundred fifteen million, four hundred thousand, thirty-six".