1113531415 has 16 divisors (see below), whose sum is σ = 1401264000. Its totient is φ = 848316672.

The previous prime is 1113531401. The next prime is 1113531427. The reversal of 1113531415 is 5141353111.

It is a cyclic number.

It is not a de Polignac number, because 1113531415 - 2⁹ = 1113530903 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1113531415.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42015 + ... + 63184.

It is an arithmetic number, because the mean of its divisors is an integer number (87579000).

Almost surely, 2^1113531415 is an apocalyptic number.

1113531415 is a deficient number, since it is larger than the sum of its proper divisors (287732585).

1113531415 is a wasteful number, since it uses less digits than its factorization.

1113531415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105306.

The product of its digits is 900, while the sum is 25.

The square root of 1113531415 is about 33369.6181428556. The cubic root of 1113531415 is about 1036.4956679499.

Adding to 1113531415 its reverse (5141353111), we get a palindrome (6254884526).

The spelling of 1113531415 in words is "one billion, one hundred thirteen million, five hundred thirty-one thousand, four hundred fifteen".