113578069442 has 4 divisors (see below), whose sum is σ = 170367104166. Its totient is φ = 56789034720.

The previous prime is 113578069439. The next prime is 113578069447. The reversal of 113578069442 is 244960875311.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 99331498561 + 14246570881 = 315169^2 + 119359^2 .

It is not an unprimeable number, because it can be changed into a prime (113578069447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28394517359 + ... + 28394517362.

It is a 1-persistent number, because it is pandigital, but 2⋅113578069442 = 227156138884 is not.

Almost surely, 2^113578069442 is an apocalyptic number.

113578069442 is a deficient number, since it is larger than the sum of its proper divisors (56789034724).

113578069442 is an equidigital number, since it uses as much as digits as its factorization.

113578069442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56789034723.

The product of its (nonzero) digits is 1451520, while the sum is 50.

The spelling of 113578069442 in words is "one hundred thirteen billion, five hundred seventy-eight million, sixty-nine thousand, four hundred forty-two".