1113427235981 has 8 divisors (see below), whose sum is σ = 1116676862880. Its totient is φ = 1110177844848.

The previous prime is 1113427235957. The next prime is 1113427235983. The reversal of 1113427235981 is 1895327243111.

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

It is a cyclic number.

It is not a de Polignac number, because 1113427235981 - 2⁶ = 1113427235917 is a prime.

It is a super-3 number, since 3×1113427235981³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1113427235983) 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, 14924390 + ... + 14998808.

It is an arithmetic number, because the mean of its divisors is an integer number (139584607860).

Almost surely, 2^{1113427235981} is an apocalyptic number.

It is an amenable number.

1113427235981 is a deficient number, since it is larger than the sum of its proper divisors (3249626899).

1113427235981 is an equidigital number, since it uses as much as digits as its factorization.

1113427235981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117883.

The product of its digits is 362880, while the sum is 47.

The spelling of 1113427235981 in words is "one trillion, one hundred thirteen billion, four hundred twenty-seven million, two hundred thirty-five thousand, nine hundred eighty-one".