113408155982 has 32 divisors (see below), whose sum is σ = 187467350400. Its totient is φ = 51025010400.

The previous prime is 113408155967. The next prime is 113408156087. The reversal of 113408155982 is 289551804311.

It is a happy number.

It is a super-2 number, since 2×113408155982² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 2420357 + ... + 2466767.

It is an arithmetic number, because the mean of its divisors is an integer number (5858354700).

Almost surely, 2^113408155982 is an apocalyptic number.

113408155982 is a deficient number, since it is larger than the sum of its proper divisors (74059194418).

113408155982 is a wasteful number, since it uses less digits than its factorization.

113408155982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47552.

The product of its (nonzero) digits is 345600, while the sum is 47.

The spelling of 113408155982 in words is "one hundred thirteen billion, four hundred eight million, one hundred fifty-five thousand, nine hundred eighty-two".