113661545642 has 16 divisors (see below), whose sum is σ = 176112378792. Its totient is φ = 54975176640.

The previous prime is 113661545629. The next prime is 113661545671. The reversal of 113661545642 is 246545166311.

It can be written as a sum of positive squares in 4 ways, for example, as 104102377201 + 9559168441 = 322649^2 + 97771^2 .

It is a junction number, because it is equal to n+sod(n) for n = 113661545593 and 113661545602.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4426409 + ... + 4452012.

Almost surely, 2^113661545642 is an apocalyptic number.

113661545642 is a deficient number, since it is larger than the sum of its proper divisors (62450833150).

113661545642 is a wasteful number, since it uses less digits than its factorization.

113661545642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8878633.

The product of its digits is 518400, while the sum is 44.

The spelling of 113661545642 in words is "one hundred thirteen billion, six hundred sixty-one million, five hundred forty-five thousand, six hundred forty-two".