1115013402 has 48 divisors (see below), whose sum is σ = 2522651040. Its totient is φ = 355483296.

The previous prime is 1115013379. The next prime is 1115013421. The reversal of 1115013402 is 2043105111.

It is a super-2 number, since 2×1115013402² = 2486509773279227208, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 45873 + ... + 65835.

It is an arithmetic number, because the mean of its divisors is an integer number (52555230).

Almost surely, 2^1115013402 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1115013402, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1261325520).

1115013402 is an abundant number, since it is smaller than the sum of its proper divisors (1407637638).

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

1115013402 is a wasteful number, since it uses less digits than its factorization.

1115013402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20107 (or 20104 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 1115013402 is about 33391.8163926433. The cubic root of 1115013402 is about 1036.9552844279.

Adding to 1115013402 its reverse (2043105111), we get a palindrome (3158118513).

The spelling of 1115013402 in words is "one billion, one hundred fifteen million, thirteen thousand, four hundred two".