1015660602442 has 16 divisors (see below), whose sum is σ = 1526686107912. Its totient is φ = 506766113280.

The previous prime is 1015660602433. The next prime is 1015660602449. The reversal of 1015660602442 is 2442060665101.

1015660602442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 650976262561 + 364684339881 = 806831^2 + 603891^2 .

It is not an unprimeable number, because it can be changed into a prime (1015660602449) 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, 2101942 + ... + 2539582.

Almost surely, 2^{1015660602442} is an apocalyptic number.

1015660602442 is a deficient number, since it is larger than the sum of its proper divisors (511025505470).

1015660602442 is a wasteful number, since it uses less digits than its factorization.

1015660602442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 440073.

The product of its (nonzero) digits is 69120, while the sum is 37.

The spelling of 1015660602442 in words is "one trillion, fifteen billion, six hundred sixty million, six hundred two thousand, four hundred forty-two".