1113978535 has 4 divisors (see below), whose sum is σ = 1336774248. Its totient is φ = 891182824.

The previous prime is 1113978517. The next prime is 1113978553. The reversal of 1113978535 is 5358793111.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (1113978517) and next prime (1113978553).

It is a cyclic number.

It is not a de Polignac number, because 1113978535 - 2⁷ = 1113978407 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1113978491 and 1113978500.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 111397849 + ... + 111397858.

It is an arithmetic number, because the mean of its divisors is an integer number (334193562).

Almost surely, 2^1113978535 is an apocalyptic number.

1113978535 is a deficient number, since it is larger than the sum of its proper divisors (222795713).

1113978535 is an equidigital number, since it uses as much as digits as its factorization.

1113978535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222795712.

The product of its digits is 113400, while the sum is 43.

The square root of 1113978535 is about 33376.3169777613. The cubic root of 1113978535 is about 1036.6343785787.

The spelling of 1113978535 in words is "one billion, one hundred thirteen million, nine hundred seventy-eight thousand, five hundred thirty-five".