1113502401 has 24 divisors (see below), whose sum is σ = 1755770016. Its totient is φ = 674403840.

The previous prime is 1113502399. The next prime is 1113502417. The reversal of 1113502401 is 1042053111.

It is not a de Polignac number, because 1113502401 - 2¹ = 1113502399 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1113502801) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 206526 + ... + 211848.

It is an arithmetic number, because the mean of its divisors is an integer number (73157084).

Almost surely, 2^1113502401 is an apocalyptic number.

1113502401 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1113502401 is a deficient number, since it is larger than the sum of its proper divisors (642267615).

1113502401 is a wasteful number, since it uses less digits than its factorization.

1113502401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7453 (or 7450 counting only the distinct ones).

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

The square root of 1113502401 is about 33369.1834032540. The cubic root of 1113502401 is about 1036.4866656155.

Adding to 1113502401 its reverse (1042053111), we get a palindrome (2155555512).

The spelling of 1113502401 in words is "one billion, one hundred thirteen million, five hundred two thousand, four hundred one".