1115310402 has 24 divisors (see below), whose sum is σ = 2418259584. Its totient is φ = 371500344.

The previous prime is 1115310389. The next prime is 1115310403. The reversal of 1115310402 is 2040135111.

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

It is not an unprimeable number, because it can be changed into a prime (1115310403) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3843 + ... + 47385.

It is an arithmetic number, because the mean of its divisors is an integer number (100760816).

Almost surely, 2^1115310402 is an apocalyptic number.

1115310402 is an abundant number, since it is smaller than the sum of its proper divisors (1302949182).

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

1115310402 is a wasteful number, since it uses less digits than its factorization.

1115310402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44974 (or 44971 counting only the distinct ones).

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

The square root of 1115310402 is about 33396.2632939675. The cubic root of 1115310402 is about 1037.0473456169.

Adding to 1115310402 its reverse (2040135111), we get a palindrome (3155445513).

The spelling of 1115310402 in words is "one billion, one hundred fifteen million, three hundred ten thousand, four hundred two".