1113413511 has 8 divisors (see below), whose sum is σ = 1696630144. Its totient is φ = 636236280.

The previous prime is 1113413489. The next prime is 1113413513. The reversal of 1113413511 is 1153143111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1113413511 - 2⁷ = 1113413383 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 53019691 = 1113413511 / (1 + 1 + 1 + 3 + 4 + 1 + 3 + 5 + 1 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1113413513) 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, 26509825 + ... + 26509866.

It is an arithmetic number, because the mean of its divisors is an integer number (212078768).

Almost surely, 2^1113413511 is an apocalyptic number.

1113413511 is a deficient number, since it is larger than the sum of its proper divisors (583216633).

1113413511 is an equidigital number, since it uses as much as digits as its factorization.

1113413511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53019701.

The product of its digits is 180, while the sum is 21.

The square root of 1113413511 is about 33367.8514591515. The cubic root of 1113413511 is about 1036.4590842496.

Adding to 1113413511 its reverse (1153143111), we get a palindrome (2266556622).

The spelling of 1113413511 in words is "one billion, one hundred thirteen million, four hundred thirteen thousand, five hundred eleven".