113978799285 has 24 divisors (see below), whose sum is σ = 197473332384. Its totient is φ = 56112638400.

The previous prime is 113978799281. The next prime is 113978799289. The reversal of 113978799285 is 582997879311.

It is an interprime number because it is at equal distance from previous prime (113978799281) and next prime (113978799289).

It is not a de Polignac number, because 113978799285 - 2² = 113978799281 is a prime.

It is a super-2 number, since 2×113978799285² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113978799281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22478491 + ... + 22483560.

It is an arithmetic number, because the mean of its divisors is an integer number (8228055516).

Almost surely, 2^113978799285 is an apocalyptic number.

113978799285 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

113978799285 is a deficient number, since it is larger than the sum of its proper divisors (83494533099).

113978799285 is a wasteful number, since it uses less digits than its factorization.

113978799285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44962085 (or 44962072 counting only the distinct ones).

The product of its digits is 68584320, while the sum is 69.

The spelling of 113978799285 in words is "one hundred thirteen billion, nine hundred seventy-eight million, seven hundred ninety-nine thousand, two hundred eighty-five".