1113251013 has 64 divisors (see below), whose sum is σ = 1956003840. Its totient is φ = 612360000.

The previous prime is 1113251003. The next prime is 1113251023. The reversal of 1113251013 is 3101523111.

1113251013 is a `hidden beast` number, since 11 + 132 + 510 + 13 = 666.

It is an interprime number because it is at equal distance from previous prime (1113251003) and next prime (1113251023).

It is not a de Polignac number, because 1113251013 - 2⁴ = 1113250997 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1113251003) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1470231 + ... + 1470987.

It is an arithmetic number, because the mean of its divisors is an integer number (30562560).

Almost surely, 2^1113251013 is an apocalyptic number.

It is an amenable number.

1113251013 is a deficient number, since it is larger than the sum of its proper divisors (842752827).

1113251013 is a wasteful number, since it uses less digits than its factorization.

1113251013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1055 (or 1049 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 18.

The square root of 1113251013 is about 33365.4164217982. The cubic root of 1113251013 is about 1036.4086595210.

Adding to 1113251013 its reverse (3101523111), we get a palindrome (4214774124).

The spelling of 1113251013 in words is "one billion, one hundred thirteen million, two hundred fifty-one thousand, thirteen".